For some reason I didn't see the list of Most Recently Used (MRU) items in applications like Visual Studio or Microsoft Word:

Expecting that it would be a simple registry setting I started Process Monitor and set the filter to process name "devenv.exe" and started monitoring as I opened the "File" menu in Visual Studio then set the filter operation to "RegQueryValue":

There it was, a registry key named "NoRecentDocsHistory" and the value set to 1. I changed this to 0 and now when I open the file menu I get two extra menu items:

Cross-posted from
The .NET Aficionado