If the whole computer freezes or reboots - then you're looking at deep OS, driver or hardware problems.
Photoshop does a safe save - so the old file is not replaced until the newly written file is complete.
But if you are having serious hardware/system problems - then even that may not be safe, and a backup on save wouldn't be either.
Saving to a different filename each time, and making frequent system backups, are probably your best bet until you find the cause of the system issues.
Chris, I know, the problem is probably on my end, even though this problem occures only when saving large files in PS and only about once a week. I might never find the cause of it, but I've found many other threads on the internet with people experiencing similar problems.
What I am asking is an option to automatically backup or just rename a file before saving. What can be easier? That's what I am doing manually right now before I save a large file.
Currently it's not possible to recover data if a file gets corrupted.
I have a file image1.tif. When I modify it in PS and click save, image1.tif gets renamed into image1.bak and a new image1.tif is written.
Even if the new file gets corrupted, the old one is still there with *.bak extension.
There are many other ways to do it, but it's an essential option to have.
What I am asking is an option to automatically backup or just rename a file before saving.
You might be able to create a Script that duplicates the file and link that to the Save-operation with the Script Events Manager – though I have not tested that …
Or you could do a Script that renames the original file and does a Save As and assign it a shortcut in Edit > Keyboard Shortcuts.
This could of course create a lot of duplicates and thus bite into your disc-space.
I feel that this is an Extremely easy thing to implement. This function is available on almost every other graphical application commonly in use. I agree that it NEEDS to be implemented.
Work arounds are great, but forcing an artist to script something for a function that every other program has is, I feel, ludicrous.