What does "unformat" mean?

To remove or undo a format; to reverse the formatting of a disk.

What is a synonym for "unformat"?

Common synonyms include: unformatted.

verb

verb ·Rare ·Advanced level

Verb

1
To remove or undo a format; to reverse the formatting of a disk.
"Fatcat also fails to warn you that unformatting will trash any files copied to the unintentionally formatted disk."

"Fatcat also fails to warn you that unformatting will trash any files copied to the unintentionally formatted disk."

From un- + format.