I saw a lot of discussions lately in the Logic community about how to "resurrect" a corrupted Logic Pro X Project File. Those discussions often show also a basic misunderstanding of the difference between Logic's two features "Autosave" and "Auto Backup"

I will address those questions in my new Logic Article "How to Open a Corrupted Logic Pro Project" that is online now. It includes tons of advanced procedures and commands that are not officially published or widely known among Logic users.



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great somebody has taken the time to do this thx
but the logic team really dropped the ball with the new save system with LPX
now we have a very convoluted path to what was a very simple procedure

I don't think it is convoluted at all. It is very simple and elegant implemented. I think most of confusion comes from people getting confused about the difference between "Autosave" and "Auto Backup", because they assume it works a specific way without reading up first how mechanisms actually work.

Think about it

Autosave
This is one of the best features in LPX, period. A real, transparent, low footprint Autosave. You don't have to do anything. You don't even have to know about it. Only in the bad case of a crash when you reopen a Project will you be confronted with a Dialog Window that offers you "to save your life".

Auto Backup
Pretty much the same system as in L9. You save your Project and Logic keeps the previous versions as backup (just inside the Package File instead of a separate file). How many backups, you tell it, up to 100. You can load any of those by choosing them in the Revert To submenu. How cool (simple) is that?

Save Project As
You still have the option as before, if you prefer that workflow.

Alternatives
Again, this is just a new option, to implement into your workflow. You don't have to use it.


Advantages
All those implementation provides you with the option to fix something in the case of a disaster, which was not possible in L9.
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so if I am working away on the same save with no other versions there will be backups in the package folder of all the work done of that one save ?

Yes, exactly! Isn't that amazing?

Do you know how long Logic users were requesting to have Autosave, because other apps had that feature. However, the only thing those other lame Autosave features were doing, letting you set a time interval when to automatically hit the Save command for you. This is not desirable, especially when working on a big Project and the Save command kicks in at a "bad time", potentially interfering with your current action.

Apple took its time to do it right. It only saves the "delta", that means, the difference, not the entire Project. In case of a crash it gives you the option, to "merge" your last saved Project with all these individual steps (your edits) that Logic took note in the background (with the least amount of footprint). And all that in a very transparent way. You don't know it, you don't have to know it.

So technically you can save your Project in the morning at 8am, working through the whole day, and when the Project crashes as 11pm, Logic can open the Project with all your edits from that day. Now that's what I call AUTOSAVE.

(Again, "Autosave" is different from "Auto Backup" !!!)

Hi,
How do I prevent a corrupted file...
it ends .logic x....