Sync file deletion between local and cloud storage
In the proton drive app, you choose folders to sync to the cloud. But when you delete a file from Proton Drive, its local copy is not deleted from your computer. However, when delete a local file, its cloud copy is automatically deleted.
This can cause problems, for example if you rename or otherwise edit a local file that is in a synced folder but whose cloud copy you have deleted, it's going to create a new cloud copy of it.
My suggestion: Adding two new toggles in the settings. One that would make it so that when you delete a file from your cloud, its local copy would be deleted too. And another one that would allow the user to choose whether the cloud copy of a file should be removed when the local version of this file is deleted.
This feature would improve the user experience by avoiding confusion and duplication of files, as well as saving storage space and bandwidth. It would also enhance the security and privacy of the users by ensuring that their files are deleted from both locations when they want to. Users would have the option to enable or disable this feature according to their preferences and needs.

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Eric Chavez commented
I actually didn't realize deleting from cloud doesn't mean the local copy is deleted. WHAT?!
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John R commented
+1
To be able to save space locally, and still have the last updated version of it backed up in cloud when the file is not needed anymore is a huge QoL feature.
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C commented
The ability to turn off the auto delete on proton when the file is locally deleted would be very helpful.
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Morrie commented
This is something I desperately need. Rigt now dragging and dropping files to my drive because else if i remove them locally they would be gone from the cloud, this is really horrible for me, and not really user friendly. We save a backup to a cloud drive because if we lose the local one, we have the backup. Whoever came to the idea to on default remove the cloud version of the file when the local one is removed, blows my mind to be honest. What is the use then of the copy online, only to share with others? :D
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Andrew Furmanczyk commented
Agree fully. This is critical for proton drive to be useable.