!!! Overview
[{$pagename}] is the [Private Enterprise Number] [Object IDentifier|OID] Assigned to [Microsoft].

We have found a description as follows:[1]
* [1.2.840.113556.1] - Microsoft OID used with [DEN] (as used in [Microsoft Active Directory])
* [1.2.840.113556.3] - Microsoft OIDs (MAPI?)
* [1.2.840.113556.4] - Microsoft file formats

!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]
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* [#1] - [1.2.840.113556 - Microsoft|http://www.alvestrand.no/objectid/1.2.840.113556.html|target='_blank'] - based on information observed on 2014-01-02.