You can temporarily stop OneDrive from syncing in the "Help & Settings" menu of the OneDrive notification area icon.

If you delete your Dropbox account, it will erase all your online data and unlink your devices from the Dropbox service.

ZDNET's key takeaways Word will save new documents to the cloud by default.AutoSave will also be enabled by default.You can turn off these options if you prefer to save your files locally. Microsoft ...

If you're looking to sync your folders and files to a cloud storage account, you'll find plenty of options in Linux.