Microsoft self-audit letters ask Microsoft end-clients to take their own inventory of installed Microsoft products in their organization. Then they ask for a written statement (on company letterhead) saying they are either:
If you receive a Microsoft self-audit letter, do not panic!
Please let us know. We have a procedure for handling this:
The part that is usually the biggest challenge is tracking down Microsoft Office licenses. The easy way to solve this is to move to Office365.
There are additional types of Microsoft Audits you may encounter, but the Microsoft Self-Audit is the simplest and easiest to remedy. For additional information on other forms of Microsoft Audits you can read more here.