Microsoft Word 5 for Mac document
File type: Document file
A bina file extension is associated with the Microsoft Word 5 for Mac and used for its document files.
Found 2 different file type records with the same bina filename suffix.
File type category:
Document file
Date updated: October 10, 2018
Record marked as obsolete and not updated for a long time.
The bina file extension is associated with Microsoft Word 5 for Mac.
The bina files are binary documents saved by the program, probably for compatibility reasons with DOS and Windows version.
Use Microsoft Word 5 for Mac to open *.bina document files.
Probably can be converted to other formats.
Software applications that can open bina files:
Apple macOS / Mac OS X
Software applications that can edit bina files:
Apple macOS / Mac OS X
Software capable of saving bina files:
Apple macOS / Mac OS X
Software apps that create bina files:
Apple macOS / Mac OS X
Software apps that print bina files:
Apple macOS / Mac OS X
Software applications that handle other tasks involving bina files:
Apple macOS / Mac OS X
File type category:
Email related data file
Date updated: September 28, 2026
BINA files belong to the older Netscape Mail software from Netscape Communications. The format was used for binary data handled by the mail program, but its exact internal purpose is not well documented.
The format is obsolete because Netscape Mail is no longer maintained or commonly used. A BINA file is therefore most useful in the context of the original Netscape Mail installation or an archived mail profile.
Try opening the file with the original Netscape Mail installation that created it. A BINA file may be an internal mail file rather than a document intended to be opened directly, and current email programs generally do not support it.
BINA files may not have a direct conversion path. If the file belongs to an old Netscape Mail profile, try opening the profile with compatible legacy software and export any accessible messages to a supported email format.
English
