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User-Agent Strings - MS IE - Full

We keep only the most current and major releases in the main page. This is the complete list of all MS Internet Explorer strings that we have ever found or received - including those on the main page.

MS Explorer

The 500 pound gorilla of the browser business. IE 10 is currently (2011) being previewed on windows 7. MSIE 9.0 is now released - if you are using Vista or 7 (or you can hang onto IE 8.0) . And for XP you have a choice of IE6, 7 or 8. And for the rest of us - tough. Seems Trident is the MS rendering engine (since IE8?) name - the equivalent of Opera's Presto and Moz's Gecko. Microsoft's MSIE history page (Link from Riley McArdle - thanks).

There are also strings for Windows CE/IEMobile in this section for those of a curious disposition (and yes, they should be in the mobile section. What do you expect - consistency?).

Information about recognizing media center embedded in browser. From Rob Lehew - thanks.

Curious

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; InfoPath.1)

Explanation: This string indicates the request comes from an MS InfoPath (an MS Office extra application) and means that it may be collecting data for use in a forms based application. String from Juan Sotillo - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; Google Wireless Transcoder;)

Explanation: This one is the new google service that acts as a proxy and converts web sites to a mobile format - somewhat controversial because it seems to drop its own adsense data to make it all fit better. String from Lucy Thao - thanks. Now moved to google section.

MS Internet Explorer on XBOX

Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; Xbox)

Explanation: Microsoft Internet Explorer 8.0 on XBOX (masquerading as Windows 7. String from Jonathan McCormack - thanks.

MMozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko

Explanation: Microsoft Internet Explorer 11.0 (32-bit) on Windows 8 (64 bit). Fascinating string - the version number is defined by the "rv" parameter and the "like Gecko" - shades of Chrome's technique. String from Deyan Mavrov - thanks.

MS Internet Explorer (MSIE) V10

Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)

Explanation: Microsoft Internet Explorer 10.0 (10.0.9200.16660) on Windows 7 (64 bit). String from Andreas Klante - thanks.

Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; Win64; x64; Trident/6.0)

Explanation: Microsoft Internet Explorer 10.0 on Windows 7 (64 bit) with "Enhanced Protection Mode on. Thu writes "Basically "Enhanced Protection Mode" forces IE10 to go to pure 64 bit. Previously there was a separate "64 bit" entry for Internet Explorer 9 in the start menu. Starting with IE10, there is only one and the switch between 32 bit and 64 bit can be made by switching on Enhanced Protection Mode.". String from Thu Win - thanks.

Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)

Explanation: Microsoft Internet Explorer 10.0 on Windows 7 (64 bit). String from Thu Win - thanks.

Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; Win64; x64; Trident/6.0)

Explanation: Microsoft Internet Explorer 10.0 on Windows 8 (64 bit). Strings from Maverik Gately and Thu Win - thanks.

Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)

Explanation: Microsoft Internet Explorer 10.0 (Technolgy Preview) on Windows 7 (64 bit). Not a .NET in sight, must be a first. String from Us - thanks - you're welcome.

MS Internet Explorer (MSIE) V9

Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Win64; x64; Trident/4.0; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; Tablet PC 2.0)

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; Win64; x64; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; Tablet PC 2.0)

Explanation: Microsoft Internet Explorer 9.0 (64-bit version) on Windows 7 (64 bit) - the three strings from the top are in normal IE9 mode, in IE8 mode and IE7 mode. Two items to note. First, IE9 removes all the .net stuff (security concerns). Second, the inclusion of the Tablet PC string (indicating support for the late, unlamented Windows Tablet specification?). String from Dwight Hams - thanks.

Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0)

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3; Creative AutoUpdate v1.40.02)

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/5.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3; Creative AutoUpdate v1.40.02)

Explanation: Microsoft Internet Explorer 9.0 (32-bit) on Windows 7 (64 bit) - the three strings from the top are in normal IE9 mode, in IE8 mode and IE7 mode. String from Jonas Klose - thanks.

Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)

Explanation: Microsoft Internet Explorer 9.0 on Windows 7 Pro - Ver. 6.1.7601 SP1 Build 7601. String from Gary Carson - thanks.

Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0)

Explanation: Microsoft Internet Explorer 9.0 on Windows 7 (64 bit). String from Thu Win - thanks.

Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.0; Trident/5.0)

Explanation: Microsoft Internet Explorer 9.0 on Windows Vista. String from Steve Snively - thanks.

MS Internet Explorer (MSIE) V8 - V6 Hybrids/Curiosities

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Trident/4.0; GTB6.5; Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1) ; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; InfoPath.1; .NET CLR 3.5.30729; .NET CLR 3.0.30729; .NET4.0C)

Explanation: Microsoft IE 8.0 plus 6.x. Suspicion that it is some failed XP to Vista upgrade. Can anyone confirm? String from Kev ? - thanks.

MS Internet Explorer (MSIE) V8

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; chromeframe/13.0.782.218; chromeframe; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)

Explanation: Microsoft IE 8.0 on Windows XP with Google's Chrome Frame plugin to add HTML5 features. String from Rick Giliberti - thanks.

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; GTB6.3; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; BRI/1; AskTB5.6)

Explanation: Microsoft IE 8.0 on Windows 7 with the ASK (aka ASK JEEVES) toolbar that is occasionally flagged as malware. String from Henrry Ulloa - thanks.

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; Tablet PC 2.0; .NET CLR 1.1.4322; .NET CLR 3.0.04506; eMusic DLM/4; OfficeLiveConnector.1.3; OfficeLiveConnector.1.4; OfficeLivePatch.0.0; OfficeLivePatch.1.3; SLCC1; .NET4.0C; .NET4.0E; InfoPath.3; Zune 4.7; MS-RTC LM 8; yie8)

Explanation: Microsoft IE 8.0 on Windows 7. This is probably the longest string we have ever seen - but perhaps you know different. String from Tom Stevenson - thanks.

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; Tablet PC 2.0; InfoPath.2; InfoPath.3)

Explanation: Microsoft IE 8.0.7600.16385 on Windows 7 Enterprice on Levono x61 Tablet PC. String from Bob Trammell - thanks.

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; chromeframe; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; .NET CLR 1.1.4322; MS-RTC LM 8; InfoPath.2)

Explanation: Microsoft IE 8.0 on Windows XP. chromeframe is a google chrome plug-in for MSIE. String from Hector Ramirez - thanks.

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; GTB0.0; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; GACID=)

Explanation: Microsoft IE 8.0 on Windows XP Pro SP3. GACID= may be .NET system security permissions: Global assembly cache identity. Can anyone confirm? String from Roland Bell - thanks.

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; MDDC)

Explanation: Microsoft Internet Explorer 8.0 on Windows 7 (64 bit) Dell Studio 1555. String from Thu Win - thanks.

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Win64; x64; Trident/4.0; .NET CLR 2.0.50727; SLCC2; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; MDDC; Tablet PC 2.0)

Explanation: Microsoft Internet Explorer 8.0 on Windows 7 (64 bit mode) Dell Studio 1555. String from Thu Win - thanks.

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; WOW64; Trident/4.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; InfoPath.2; .NET CLR 3.5.30729; .NET CLR 3.0.30729)

Explanation: Microsoft Internet Explorer 8.0 on Windows Vista Ultimate (64 bit). String from Raj Datta - thanks.

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; FBSMTWB; InfoPath.2; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; MS-RTC LM 8)

Explanation: Microsoft Internet Explorer 8.0.7000.0 Beta on Windows XP in IE7 mode (methinks) cos of the MS-RTC LM 8 string. String from Andre Chagnon - thanks.

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)

Explanation: Microsoft Internet Explorer 8.0.6001.18702 on Windows XP Home SP3 (5.1.2600), running on a HP Pavilion dv1310 laptop. String from Graeme Payne - thanks.

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)

Explanation: Microsoft Internet Explorer 8 on Windows XP. String from Glenn Klein - thanks.

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0)

Explanation: Microsoft Internet Explorer 8.0.7000.0 Beta on Windows 7 Ultimata 64-bit Beta. Wow. String from Denis Dupont - thanks.

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; WOW64; SLCC1; .NET CLR 2.0.50727; .NET CLR 3.0.04506; Media Center PC 5.0; .NET CLR 1.1.4322)

Explanation: Internet Explorer 8 beta 1 (32-bit version) running on Windows Vista Ultimate x64 Edition. You can get beta 8 here. String from Carl Karlsson - thanks.

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; Win64; x64; .NET CLR 2.0.50727; SLCC1; Media Center PC 5.0; .NET CLR 3.0.04506)

Explanation: Internet Explorer 8 beta 1 (64-bit version) running on Windows Vista Ultimate x64 Edition. String from Carl Karlsson - thanks.

Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; .NET CLR 3.0.04506; Tablet PC 2.0; InfoPath.2)

Explanation: Internet Explorer 8 beta 1 IE 8 beta 1 on a Vista Business Tablet PC. String from Tim Johnsen - thanks.

MS Internet Explorer (MSIE) Media Center/Media-Player

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; FunWebProducts; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506; Windows-Media-Player/10.00.00.3990)

Explanation: MSIE 7 with Media Center 5.0 and Media-Player 10.x on Vista. String from Jake Wasdin - thanks.

MS Internet Explorer (MSIE) with Zune 2.0

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; winfx; .NET CLR 1.1.4322; .NET CLR 2.0.50727; Zune 2.0)

Explanation: MSIE 7 with Zune 2.0 on XP. String from Zarek Jenkinson - thanks.

MS Internet Explorer (MSIE) V7

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; GTB6.4; .NET CLR 1.1.4322; FDM; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)

Explanation: MSIE 7 running on Windows XP Pro - FDM = Free Download Manager. String from Willian Abel - thanks.

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; InfoPath.1; MS-RTC LM 8)

Explanation: MSIE 7 running on Windows XP - MS-RTC LM 8 indicates MS Live meeting v 8 is installed. String from Doug Kirschman - thanks.

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; GTB6.3; InfoPath.2; .NET CLR 2.0.50727; .NET CLR 1.1.4322; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729; MSN Optimized;US)

Explanation: MSIE 7 running on Windows XP - this one has been optimized (read works OK and has lots of shiny icons) for MSN. String from Sam Test - thanks.

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Meridio for Excel 5.0.251; Meridio for PowerPoint 5.0.251; Meridio for Word 5.0.251; Meridio Protocol; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; .NET CLR 3.0.04506.648; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)

Explanation: MSIE 7 running on Windows XP - with Meridio and a couple of .NET version. this may be the longest string we have ever seen - or do you know better? Contrast with dillo. String from Bogdan Cerovac - thanks.

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Avant Browser; .NET CLR 2.0.50727; Creative ZENcast v1.02.12; .NET CLR 3.0.04506.30)

Explanation: MSIE 7 running on Windows XP with a podcast generating utility that comes with Creative MP3 players (ZENcast v 1.02.12). String from Michael Cornwall - thanks.

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; InfoPath.1; .NET CLR 2.0.50727)

Explanation: MSIE 7 running on Windows Vista - with MS InfoPath (part of MS Office) installed. String from Brittani Oliver - thanks.

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SU 3.1; SLCC1; .NET CLR 2.0.50727; .NET CLR 3.0.04506; .NET CLR 1.1.4322; Tablet PC 2.0; .NET CLR 3.5.21022)

Explanation: MSIE 7 running on Windows Vista - what a lot of .NET versions - and MS Tablet PC emulator. String from Jeff Joff - thanks.

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2.0.50727; Zune 2.0)

Explanation: MSIE 7 running on Windows XP and MS Zune plug-in. String from Louie Vuitton Born - thanks.

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; WOW64; SLCC1; .NET CLR 2.0.50727; .NET CLR 3.0.04506; Media Center PC 5.0; .NET CLR 1.1.4322; Windows-Media-Player/10.00.00.3990; InfoPath.2

Explanation: MSIE 7 running on Windows Vista 64-bit with a ton of 'stuff'. String from Darian Lewis - thanks.

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2.0.50727; MEGAUPLOAD 1.0)

Explanation: MSIE 7 running on Windows XP with the megaupload toolbar. String from Jacxz Wilken - thanks.

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506; Alexa Toolbar)

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.0; SLCC1; .NET CLR 2.0.50727; Media Center PC 5.0; .NET CLR 3.0.04506)

Explanation: MSIE 7 running on Windows Vista Ultimate (one of 6 versions apparently). One string with and one without the Alexa toolbar String from Simaone Onofri - thanks.

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; InfoPath.1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30; Dealio Deskball 3.0)

Explanation: MSIE 7 on XP and every version of .NET known to mankind. Jaqueline also likes to shop (Dealio Deskball). String from Jaqueline Boakye - thanks.

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322)

Explanation: Stock MSIE 7 on XP with SP2 and the inevitable .NET. String from Mary T - thanks.

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)

Explanation: MSIE 7 on XP with SP2 and the google toolbar (oh really) and every old version of .NET known to mankind. String from Kate McCauley - thanks.

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2; WOW64; .NET CLR 2.0.50727)

Explanation: 32-Bit IE 7 Final (7.0.5730.11) running in WOW64 on Windows XP 64-bit Edition SP1 with .NET Framework 2.0 installed. String from Jason Mayfield-Lewis - thanks.

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2; Win64; x64; .NET CLR 2.0.50727)

Explanation: 64-Bit IE 7 Final (7.0.5730.11) running on Windows XP 64-bit Edition SP1 with .NET Framework 2.0 installed. Oh the suspense of the final release is killing us. String from Jason Mayfield-Lewis - thanks.

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; DOF-IE; .NET CLR 1.1.4322; DOF-IE; DOF-IE)

Explanation: MSIE 7.x RC1 on XP/SP2 - the big day gets closer. String from Alex Williams - thanks.

Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; SV1; .NET CLR 2.0.50727)

Explanation: MSIE 7.x Public Beta 2 on XP - so far without a service pack (mmmm). String from Tim Johnsen - thanks.

Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 6.0)

Explanation: New Beta version of MSIE 7 (more info here at a msdn blog site announcing the string format). Running on Longhorn no less (or Longinthetooth as others - but not us - may call it). String from Becky Nelson - thanks.

Mozilla/4.0 (compatible; MSIE 7.0b; Windows NT 6.0 ; .NET CLR 2.0.50215; SL Commerce Client v1.0; Tablet PC 2.0

Explanation: An-in-the-wild sighting for MSIE 7 - flagged by a reader as both malformed (no closing parenthesis) and attempting multiple logins (automated sign-up tool) to his site. String from Ryan J - thanks.

Mozilla/6.0 (compatible; MSIE 7.0a1; Windows NT 5.2; SV1)

Explanation: This one looks a little suspicious (Mozilla/6.0 and NT 5.2) but could be an very early version - anyone know better?. String from Ryan J - thanks.

MS Internet Explorer (MSIE) V6.0+

Mozilla/4.0 (compatible; MSIE 6.0; Windows 98; Rogers HiˇSpeed Internet; (R1 1.3))

Explanation: MSIE 6.x on Windows 98 (honest) with R1 1.3 = RealOne Player version 2 . String from Buck Grewal - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Business Everywhere 7.1.2; GTB6; .NET CLR 1.0.3705; .NET CLR 1.1.4322; Media Center PC 4.0)

Explanation: MSIE 6.x on XP with Business Everywhere which allows laptops/netbooks to use the cell (3G/EDGE) network as well wi-fi. String from Timothy Green - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; NeosBrowser; .NET CLR 1.1.4322; .NET CLR 2.0.50727)

Explanation: MSIE 6.x on XP with a skin from neos.tv who seem to specialize in the hospitality (read hotel) industry. String from David Evans - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322)

Explanation: Stock MSIE 6.x on XP. String from Mary T - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; TheFreeDictionary.com; .NET CLR 1.1.4322; .NET CLR 1.0.3705; .NET CLR 2.0.50727)

Explanation: MSIE 6.x on XP with toolbar from thefreedictionary.com. String from David Halliday - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)

Explanation: MSIE 6.x on Win 2003 Server - 32 bit version with SP1. String from Nick Jones - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; WOW64; SV1; .NET CLR 2.0.50727)

Explanation: MSIE 6.x on XP x64 (hence the 5.2 not the more normal 5.1 since apparently it is based on Win server 2003 Sp1 or rather SV1). The WOW64 is the 32 compatability layer. String from Carl Karlsson - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; Win64; x64; SV1; .NET CLR 2.0.50727)

Explanation: MSIE 6.x on XP x64. Appears to be a native 64 bit version of the above. String from Carl Karlsson - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322; XMPP Tiscali Communicator v.10.0.2; .NET CLR 2.0.50727)

Explanation: MSIE 6.x on XP SP1 with the tiscali IM plug-in. String from Willem de Rijk - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; T312461)

Explanation: MSIE 6.x on Win 2K with SP4 running Louts notes 6.5. String from Alex Williams - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1) Netscape/8.0.4

Explanation: MSIE 6.x on XP. Any thoughts about the Netscape part - perhaps should be a mystery string?. Guess from Carl Karlsson is that it is netscape 8.x since apparently there is an option to allow switch of rendering engines - sounds like a pretty good guess to us. Thanks. String from Zonjai Nezba - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; America Online Browser 1.1; rev1.2; Windows NT 5.1; SV1; .NET CLR 1.1.4322)

Explanation: MSIE 6.x on XP. AOL branded MSIE 6.x?. String from Zonjai Nezba - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows 98; Win 9x 4.90; Creative)

Explanation: MSIE 6.x on Win'98 - anyone know anything about the 'Creative' in the string? String from Zonjai Nezba - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; FunWebProducts; .NET CLR 1.1.4322; PeoplePal 6.2)

Explanation: MSIE 6.x on XP. The PeoplePal part appears to be an IE toolbar from PeoplePC, FAQ page is located here. String from Zonjai Nezba - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows XP)

Explanation: Stock MSIE 6.x on XP (not 5.1) suspect someone has been doodling around with the registry. String from Zonjai Nezba - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; APC; .NET CLR 1.0.3705; .NET CLR 1.1.4322; .NET CLR 2.0.50215; InfoPath.1)

Explanation: Stock MSIE 6.x on Win2K but .NET 2.x and Deepnet Explorer (a secure P2P, RSS and News reader plugin). String from Mike Thompson - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Deepnet Explorer 1.5.0; .NET CLR 1.0.3705)

Explanation: Stock MSIE 6.x on XP with SP1 and .NET and MS's new InfoPath Explorer plugin or addon. String from Chui Tey - thanks.

Mozilla/4.0 (compatible- MSIE 6.0- Windows NT 5.1- SV1- .NET CLR 1.1.4322

Explanation: Stock MSIE 6.x on XP with SP2 - note the dashes. String from Georgi Kotstov - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; WINDOWS; .NET CLR 1.1.4322)

Explanation: Fairly stock MSIE 6.x on Win2k but the 'WINDOWS' part - ain't seen that before. String from Marc Delerue - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Media Center PC 3.0; .NET CLR 1.0.3705; MediaCenter 5.1.2600.2180)

Explanation: Nothing too special about the above string ('cept its long) but Rob Lehew writes with following info about Media Center Browser recognition:

  1. If you're using the normal IE web browser from Windows Media Center PC..but NOT browsing from within the Media Center UI a version of "Media Center PC X.X" is added where "X.X":
    • "2.8" = Media Center 2004
    • "3.0" = Media Center 2005
    • "3.1" = Media Center 2005 + Update 1
    • "4.0" = Media Center 2005 + Update 2
  2. browsing the web from within the blue Media Center UI includes the above but adds additional information in the user agent string:
    • "MediaCenter 5.1.2600.2180" = Media Center 2004 or Media Center 2005 without Update 2
    • "MediaCenter 5.1.2710.2652" = Media Center 2005 + Update 2

More info. From Rob Lehew - thanks.

Mozilla/4.0 (compatible; MSIE 5.01; Windows 95; MSIECrawler)

Explanation: If you use the off-line content features in MSIE this string pops-out and web sites are sucked into the cache - we may be talking whole web sites here folks. String from Lynette Maginess - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; AOL 9.0; Windows NT 5.1)

Explanation: MSIE 6.x on XP in its AOL packaged form. String from Zonjai - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR 1.1.4322; Alexa Toolbar; (R1 1.5))

Explanation: MSIE 6 on XP using RealPlayers 10 Web browser (the R1 1.5 at end of string). String from Jonathan McCormack - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Maxthon; .NET CLR 1.1.4322)

Explanation: Stock MSIE 6 on XP with .NET and maxthon (ex-MyIE2). String from Thomas Goodhart - thanks.

Microsoft URL Control - 6.01.9782

Explanation: Output from msinet.ocx - this one came with VB6. String from Linus Atorf - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322) ,gzip(gfe) (via translate.google.com)

Explanation: Standard MSIE 6.0 on XP but with a little message from google reminding us what wonderful folks they are. String from Erik Inge Bolsø - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; Win64; AMD64)

Explanation: MSIE 6.0 64 bit version (comes complete with 64 bit security bugs!) using XP 64 on the AMD64. Hot machine. String from Eugene Sadhu - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; Win64; AMD64)

Explanation: MSIE 6.0 32 bit version under 32 bit emulation (WOW64) using XP 64 on the AMD64. With FreeDownloadManager (FDM). String from Eugene Sadhu - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Crazy Browser 2.0.0 Beta 1; .NET CLR 1.0.3705; .NET CLR 1.1.4322)

Explanation: MSIE 6.0 on XP Pro with SP2, lots of NETs and crazybrowser which provides tabbed browsing on an MSIE base - a poor man's Firefox really! String from Jonathan Walker - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)

Explanation: Vanilla MSIE 6.0 on XP Pro with SP2. String from Daryl Jamieson - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Update a; AOL 6.0; Windows 98)

Explanation: This is the AOL packaged version of MSIE 6.x on Windows 98. String from Ryan Jones - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; YPC 3.0.2; .NET CLR 1.1.4322; yplus 4.4.02b)

Explanation: Now is this a string. MSIE 6 on XP Pro with .NET from the British Telecom - Yahoo realtionship. String from Adam Hauner - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.0.3705; .NET CLR 1.1.4322; .NET CLR 2.0.40607)

Explanation: MSIE 6 on XP Pro with SP2 and every version of .NET framework known to mankind. String from Chris Tout - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322) Babya Discoverer 8.0:

Explanation: MSIE 6 on XP. babya adds some features including a PDF maker to MSIE.! String from Invader Zim (right!) - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Crazy Browser 1.0.5)

Explanation: MSIE 6 on XP. Crazy Browser adds some mozilla features to MSIE.! String from Erik Inge Bolsø - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT) ::ELNSB50::000061100320025802a00111000000000507000900000000

Explanation: MSIE 6 on NT 4.0. Slashdot claims it's a Earthlink customized MSIE, which sends extra info about your computer encoded in this string. Do you know better? String from Erik Inge Bolsø - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; MyIE2; Deepnet Explorer)

Explanation: MSIE 6 with MyIE2 (now maxthon and Deepnet Explorer is a P2P file sharing and RSS newsreader enhancement. String from Sir Max (wonder if that's an alias) - thanks.

Mozilla/4.0 (compatible; MSIE 5.23; Macintosh; PPC) Escape 5.1.3

Explanation: MSIE 5+ on the TV in a hotel from a bored contributor! String from Jonathan McCormack - thanks.

Mozilla/4.0 (compatible; MSIE 5.23; Mac_PowerPC)

Explanation: Yes MSIE does run on the MAC - here's the proof. String from Neil Thompson - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; .NET CLR 1.0.3705; .NET CLR 1.1.4322)

Explanation: This string has bit of history. We originally published it as a EudoraWeb string - since it was self identified by a site user as being that. However:

We got some email about this string suggesting that it was not eudora since it had no Eudora in it. To be fair the supplier of the string also voiced some doubt since it was left to the user to identify the string. If anyone can shed some more light on this topic - please email us and we'll publish.

We got some more comment which says it looks so much like a normal Win 2K that we've moved it. The suggestion is that both .NET strings are added when the MS WindowsUpdate system is used. Explanation from Matt Hair - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)

Explanation: MSIE 6.0 on MS Windows XP (Home?) - not a security patch in sight. String from Rachael Beale - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; FREE; .NET CLR 1.1.4322)

Explanation: MSIE 6.0 on MS Windows XP - not too special but what is the FREE (posted to mystery strings also). String from Jean Christophe Olivain - merci.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR 1.1.4322)

Explanation: MSIE 6.0 on MS Windows XP Pro - complete with NET (via Service Pack2). String from Andrew Taylor - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; Q312461)

Explanation: MSIE 6.0 on MS Windows XP

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; .NET CLR 1.0.3705)

Explanation: MSIE 6.0 on MS Windows XP. Go figure the difference from the one above.

Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)

Explanation: MSIE 6.0 on MS Win 2K SP4. String from Mario Krumnow - thanks.

Mozilla/4.0 (compatible; MSIE 6.0; Windows 98; Win 9x 4.90)

Explanation: MSIE 6.0 on MS ME

MS Internet Explorer (MSIE) V5.5

Mozilla/4.0 (compatible; MSIE 5.5; Windows 98)

Explanation:MSIE 5.5 on Windows 98. String from Francis Saul - thanks.

Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.0; .NET CLR 1.1.4322)

Explanation:MSIE 5.5 on Windows 2K with .NET. String from Francis Saul - thanks.

Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.0; T312461)

Explanation:MSIE 5.5 on Windows 2000. We think the T312461 is a security upgrade reference?

Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 4.0)

Explanation:MSIE 5.5 on MS NT 4.0

Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 4.0; .NET CLR 1.0.2914)

Explanation:MSIE 5.5 on MS NT 4.0 with ASP.NET SDK Beta 2

Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.0)

Explanation:MSIE 5.5 on MS Windows 2000

Mozilla/4.0 (compatible; MSIE 5.5; Windows 95)

Explanation:MSIE 5.5 on MS Win 95

Mozilla/4.0 (compatible; MSIE 5.13; Mac_PowerPC)

Explanation: MSIE 5.1 on Mac (OS8.6)

Mozilla/4.0 (compatible; MSIE 5.5; Windows 95; BCD2000)

Explanation: MSIE 5.5 on Windows 95 (BCD2000 = ?).

Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.2)

Explanation: MSIE 5.5 on Windows XP SP2 with .NET framework. If you know about infopath.2 part of the string let us know. String from Alex Williams - thanks.

MS Internet Explorer (MSIE) V5.0+

Mozilla/4.0 (compatible; MSIE 5.0; SunOS 5.10 sun4u; X11)

Explanation:MSIE 5.x on SunOS 5.10. String from Tim Telarson - thanks.

Mozilla/4.0 (compatible; MSIE 5.22; Mac_PowerPC)

Explanation:Latest MAC OS X version of MSIE. String from Eric Noel.

Mozilla/4.0 (compatible; MSIE 5.0; Windows 3.1)

Explanation:MSIE 5.0 on Windows 3.1. String from Nathan Lineback - thanks.

Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; DigExt)

Explanation:MSIE 5.0 on MS NT 4.0

Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; InfoPath.2)

Explanation: MSIE 5.01 on Windows XP SP2 with .NET framework no less. If you know about infopath.2 part of the string let us know. String from Alex Williams - thanks.

Mozilla/4.0 (compatible; MSIE 5.0; Mac_PowerPC; e504460WanadooNL)

Explanation: MSIE 5.0 on a MAC?? The WannadooNL shows an example of a MSIE customisable header. This is configurable when a company choses to redistribute MSIE under their own logo using the SDK.

Mozilla/4.0 (compatible; MSIE 5.0; Windows 3.1)

Explanation: Yeah really MSIE 5.x on WfWG 3.11. String from Indrek Haav - thanks

MS Internet Explorer (MSIE) V4.0+

Mozilla/4.0 (compatible; MSIE 4.01; Windows NT 5.0)

Explanation: MSIE 4.01 on Windows XP SP2. String from Alex Williams - thanks.

Mozilla/4.0 (compatible; MSIE 4.01; Digital AlphaServer 1000A 4/233; Windows NT; Powered By 64-Bit Alpha Processor)

Explanation: MSIE 4.1 on NT 4.0 on an AlphaServer (wow). We think this is the stock browser that ships with the NT 4.0 release and last time we could not use this browser to update this browser if you get our meaning. String from Jonathan McCormack - thanks.

MS Internet Explorer (MSIE) V3.0+

Mozilla/2.0 (compatible; MSIE 3.02; Windows CE; 240x320)

Explanation: MSIE 3.02 on a Pocket PC 2002. I guess the 240x320 is the available screen size. Goodness knows what DOM this baby supports. Anyone old enough to remember MSIE 3!

Mozilla/2.0 (compatible; MSIE 3.0; Windows 3.1)

Explanation: MSIE 3.0 on a Windows XP SP2 (honest). String from Alex williams - thanks

MS Internet Explorer (MSIE) V2.0+

Mozilla/1.22 (compatible; MSIE 2.0; Windows 95)

Explanation: MSIE 2.0 in windows '95 - anyone remember the base version on the venerable '95. String from Ryan J - thanks. Update Win'95 did not ship with a browser but 1.0 was included in the Plus! features.

Mozilla/1.22 (compatible; MSIE 2.0d; Windows NT)

Explanation: Little suspicious that this really is MSIE 2.x. The base version on NT 4.0 as we recall was MSIE 3/4 so you would actually have to install version 2 ...mmmm. Joel Rea writes to tell us that MSIE 2 did ship with NT4.0 but that one of the SPs updated it to MSIE4 - our memories fail again. Thanks for writing Joel. BTW did you ever try to get MSIE 6 using MSIE4 - impossible. But what shipped with NT 3.51? Eric Bowman writes "No browser shipped with 3.51" This proves one only thing conclusively - Eric has a better memory than we do! Thanks for the update Eric. String from Erik - thanks

MS Windows CE

MS Windows CE

Mozilla/4.0 (compatible; MSIE 6.0; Windows CE; IEMobile 7.11)

Explanation: IEMobile 7.11 on Windows CE. String from Xtian Estrella - thanks.



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