Windows
Mac OSWhat is the A01 file format?
A file with the .A01 extension is a file known as Split Multi-volume ARJ compressed file archive (part 3). It belongs to the Compressed Files category. This format is associated with ESTsoft.
The reliable way to open a .A01 file is with software that recognises this exact format, rather than guessing from the file name. If you are not sure what created a file, our file identifier can read its first bytes and name the real format, even when the file has been renamed.
This page lists 9 programs that open .A01 files. A fully verified, hand-written description of this format is being prepared; until then, the details on this page are drawn directly from our database.
Format details
in a nutshellFULL NAMESplit Multi-volume ARJ compressed file archive (part 3)
DEVELOPERESTsoft
CATEGORYCompressed Files
Programs that open A01 files
Other1 app
Community Q&A
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