I unarced it with UNARC.F83, a good example of a useful application that runs using only standard words (and F83 in particular). The unarced file is VIDEO.BLK, which looks similar to the VIDEO.BLK file from VIDEOF83.
Source: wiktionary
Unarc
Synonyms for "unarc"
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Related word relations
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Sample sentences
5 total sentences available.
The individual files compressed within the archive file SUPPLIER on drive B are unarced and placed in the subdirectory […]
Source: wiktionary
Windows setup entails unarcing files into system subdirectory […]
Source: wiktionary
MegaD also provides an easy method for arcing or unarcing files using various compression programs.
Source: wiktionary
Showing 4 of 5 available sentences.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.