First and foremost: iCloud is not a backup service. In order to achieve what you want, you need backups! You can use various forms of backups to realize your goal: For example you could use the built-in Time Machine software with external USB-drives in order to have a complete backup that you could store at a seperate location. You could also use a cloud ...


If the Photos app is open on your Mac it opens photos.sqlite-shm. You can see what files Photos has open using Activity monitor. For me it is ~/Pictures/Photos Library.photoslibrary/database/Photos.sqlite-shm Thus your sync process is correctly saying that the file is in use Your process thus has to make sure that Photos.app is not running.


By default, Google Drive for desktop (formerly known as Google Drive File Stream) stores cached files in ~/Library/Application Support/Google/DriveFS/$account_id/content_cache, where $account_id is the numeric ID of your google account. The files aren't encrypted or anything, but they don't have any metadata (or even their original filenames) so I don't ...

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