LanguageBACKPACK
Mammoet Software data
File type: Various data file
Files with backpack file extension might possibly be found in programs from Mammoet Software.
What is backpack file?
File type category:
Various data file
Date updated: July 20, 2018
The backpack file extension was reported to us for being used in one of the programs from Mammoet Software, such as DrawIt Lite or myCard.
Seems like the developer is no longer is business and the origin and the purpose of this file type could not be verified, so it is likely obsolete.