How does Time Machine store files?

How does Time Machine store files?
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1 Answer

Answer :

answer:From what I’ve read, it appears that Time Machine does not do binary diffs or compress backed up files. This has the advantage of giving you faster access to past versions of your files, but comes at the cost of taking up more hard drive space. When you run out of space, Time Machine will “alert you that it will start deleting previous backups, oldest first.”
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