Found 1 record for the .AB file extension name
.file extension AB - Applix Builder file
File type specification:
File type data not available.
Extension icon: 
.AB
File extension AB description:
File extension AB entry has not yet been fully verified by File-Extensions.org team. It was added in the past to our library and appeared to be accurate.
If you know more or some useful information about AB file extension, please send us a message by clicking on submit extension button at the top of page.
.ab
Associated applications to file extension AB:
AB