MO
Microsoft Office
Microsoft Office applications
About this crawler
Microsoft Office is a web crawler identified by the regular-expression pattern Microsoft Office in the User-Agent request header. It is categorised as http-library. Use the regex above to detect, log, allow, or block Microsoft Office traffic in your web server, CDN edge rules, or robots.txt.
Block-rate · top 25k sites
0.065%
Technical details
- Name
- Microsoft Office
- Pattern
Microsoft Office- Tags
- http-library
- Added
- 2026/05/09
- Instances
- 24 known sample(s)
Sample User-Agent strings
Microsoft Office Excel 2013
Microsoft Office Excel 2014
Microsoft Office Excel 2014 (16.0.6528) Windows NT 10.0
Microsoft Office Existence Discovery
Microsoft Office Mobile/15.0
Microsoft Office OneNote 2013
Microsoft Office PowerPoint 2013
Microsoft Office PowerPoint 2013 (15.0.4420) Windows NT 6.2
Microsoft Office PowerPoint 2013 (15.0.4641) Windows NT 6.2
Microsoft Office PowerPoint 2013 (15.0.4797) Windows NT 10.0
Microsoft Office PowerPoint 2013 (15.0.4797) Windows NT 6.2
Microsoft Office PowerPoint 2013 (15.0.4805) Windows NT 6.1
Microsoft Office PowerPoint 2013 (15.0.4805) Windows NT 6.2
Microsoft Office PowerPoint 2013 (15.0.4815) Windows NT 10.0
Microsoft Office PowerPoint 2014
Microsoft Office Word 2013
Microsoft Office Word 2013 (15.0.4623) Windows NT 6.2
Microsoft Office Word 2013 (15.0.4701) Windows NT 6.1
Microsoft Office Word 2013 (15.0.4797) Windows NT 10.0
Microsoft Office Word 2013 (15.0.4805) Windows NT 10.0
+ 4 more samples in crawlers.json
Block this crawler
robots.txt — disallow Microsoft Office:
User-agent: Microsoft Office
Disallow: /
Apache .htaccess — return 403:
RewriteEngine On
RewriteCond %{HTTP_USER_AGENT} Microsoft Office [NC]
RewriteRule .* - [F,L]
Nginx — return 403 inside a server block:
if ($http_user_agent ~* "Microsoft Office") {
return 403;
}
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