Sudo chmod g-w Desktop/ Documents/ Downloads/ Movies/ Music/ Pictures/ Public/ Sites/ Sudo chmod -R g+w Desktop/ Documents/ Downloads/ Movies/ Music/ Pictures/ Public/ Sites/ Recursively modify the permissions of your shared Dropbox folder to give full permissions to both user and group: cd $HOMEįor each user, add the group write permission to all pre-existing user files: cd $HOME Restart your computer for the umask change to take effect.

This will make new files group-writable by default this should not be dangerous, since your user's group is probably wheel, and all members of wheel already have sudo permissions.įor OS X Yosemite 10.10.3 and up: sudo launchctl config user umask 002įor older versions, see the Apple Support article Setting a custom umask in OS X. The Dropbox folder will reside in this user's Home folder, and the user must be logged in for the Dropbox to sync.Ĭhange the umask for user applications to 002. Here's the solution on which I eventually settled this assumes all local administrator users will share access to the Dropbox.Ĭhoose a user to run Dropbox. The ACL solution is promising, but I encountered frequent permissions issues it turns out ACLs are not inherited by existing files that are copied/moved into a directory, which is a deal breaker. I wanted to use this same solution to work around a Dropbox for Business account with the 'Allow only one Dropbox account per computer' restriction enabled.

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