.A01 File Extension
File TypeALZip Third Split Archive File
What is an A01 file?
Third file of a spanned archive created with ALZip, a file compression utility for Windows systems; uses proprietary ALZ compression and is saved along with other split archives; preceded by the .ALZ and .A00 files and is followed by the .A02 file.
NOTE: All files that make up the spanned archive must be available in order for the original file archive to be reassembled.