The BAK~ file format refers to a backup file format that has been created using the AbiWord word processing application.
AbiWord is an open source word processor that was first released in 1998. It written in C++ and is available as a free download. It works on most of the major Operating Systems.
.bak-2 File Extension
Developer:
AbiSource
File category:
What are bak-2 files & how to open them - AbiWord Auto-Saved Document File
File category:
Developer:
AbiSource