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This brings back a lot of memories! Do you remember the multi steps decompression phases? The par2 files for repairing

I think this is still used in binary use groups. At least it was a few years ago.

Par2 is still on use ;)

I do! I am also old enough to remember a few other side characters like ZOO and ARC.

There was also ICE.

And the less known but overall better AIN.

Or DMS with XCopy

Oh, I loved WinAce back in the days!