Open the Script Editor in the /Applications/AppleScript/ folder and paste in the following:
tell application "Finder"
set extension hidden of every file of entire contents of (selection as alias) to true
end tell
Select the folder enclosing the documents in the Finder, and press the Run button in the Script Editor. If they are enclosed by multiple folders or are at different levels in the folder structure, select the first folder which encloses all the documents.
This thread has been closed by the system or the community team.
You may vote for any posts you find helpful, or search the Community for additional answers.
Hide extensions
Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.