Files with the FM3 extension identify device driver files created in the Harvard Graphics application. FM3 files facilitates the connection of hardware devices to a computer that are utilized by the Hardware Graphics application. FM3 files support communication with devices like printers and projectors. FM3 files may be opened and edited with compatible software.
File created by older versions of the Lotus 1-2-3 spreadsheet software; contains the display formatting for a .WK3 worksheet; can include formatting data for cells, borders, fonts, shading, and other display elements; can be opened by some older versions of Microsoft Excel. Even though Lotus 1-2-3 separated out the formatting information for some spreadsheet files, recent spreadsheet applications do not use this convention.
The fm3 file extension is associated with FileMaker version 3, developed by Filemaker ,Inc.. The current version of FileMaker is 11.