What is an ABT file? File created by Computer Application Specialties Company (CASC) Braille 2000, a braille text editor; contains braille in XML format that can be read by braille embossers for printing.

More Information Similar to the more common .BRF file extension. BRL and BRF files are commonly used for making digital publications available to those who are blind. To create an ABT file in CASC Braille 2000, select New → Braille File , name the file, select "Annotated Braille Text File (abt)" from the file type drop down menu, and click OK . To open an ABT file in CASC Braille 2000, select Open → Braille File , navigate to the file, and click Open . NOTE: CASC Braille 2000 replaced ED-IT PC, which used the ABT extension also but was written in its own, different proprietary format.