Professional Calc spreadsheet file
File type: Spreadsheet and workbook file
The FAFF file extension identifies a spreadsheet file created by Professional Calc.
Professional Calc is an old spreadsheet program for Amiga computers.
File type category:
Spreadsheet and workbook file
Date updated: September 24, 2026
FAFF files contain spreadsheet data created with Professional Calc, including the contents of a workbook and its calculations.
The format belongs to the legacy Amiga version of Professional Calc.
Open a FAFF file with Professional Calc on an Amiga computer. On a modern computer, an Amiga-compatible environment may be required to run the program.
Open the file in Professional Calc and use any export or save options provided by that program to move the spreadsheet data to another format.
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