Backtrack:  
 
by lunarg on October 29th 2015, at 13:05

These version matrix pages (from Microsoft) contain the build numbers (how to check?) of Exchange, matched against their update "names" (RU, CU numbers), their release dates, and a link to the KB containing the update download:

 
 
« May 2025»
SunMonTueWedThuFriSat
    123
45678910
11121314151617
18192021222324
25262728293031
 
Links
 
Quote
« You only find out who is swimming naked when the tide goes out. »
Warren Buffett