Can't selectively sync/unsync files

Hey guys,

How do you selectively sync multiple files. Holding SHIFT doesn’t work, nor does holding COMMAND.

I’m on a Mac using

I’ve tried everything I can think of in addition to the advice in this post:

Nothing works and it’s driving me crazy.

Hi! Can you try this instead?

Oh by the way, are you doing a Local Selective Sync (pushing files to the cloud)?