1,067 questions
I made a backup and tried it. The answer appears to be "yes, delete subdirectories."
Clearing the Wef directory
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(185.6, 13%, 27%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETJ%3C/text%3E%3C/svg%3E)
T.J. Crowder
1
Reputation point
On this page, it says that to clear the Office cache you should "delete the contents of" %LOCALAPPDATA%\Microsoft\Office\16.0\Wef. Does that include subdirectories, or just files at the top level?
Microsoft 365 and Office | Development | Office JavaScript API