>> FM1 file

FM1 file format description

Many people share .fm1 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .fm1 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .fm1 files.

1 filename extension(s) found in our database.

.fm1 - Lotus 1-2-3 V2 Spreadsheet

The FM1 document files are related to Lotus 1-2-3. FM1 file is a Lotus 1-2-3 V2 Spreadsheet. Lotus 1-2-3 is a spreadsheet program designed for IBM-compatible personal computers by Lotus Corporation in 1982. The Lotus 1-2-3 seems to be no longer supported.

Lotus 1-2-3
Document files
- / -
Lotus 1-2-3 V2 Spreadsheet related extensions:
Grisbi Document
QuarkXPress Library
QuarkXPress Book
QuarkXPress Dictionary Data
QuarkXPress Document Template
QuarkXPress Project Template

Naturally, other applications may also use the .fm1 file extension. Even harmful programs can create .fm1 files. Be especially cautious with .fm1 files coming from an unknown source!

Can't open a .fm1 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .fm1 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

gm1, fmw, fm, bm1, vm1, rm1, fml, fl1, dm1, tm1, mf1, fh1

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

FME Workbench
Heroes of Might and Magic III Saved Game
Stronghold Crusader GM1 Image
Gerber Mechanical Layer 1 Data
Adobe FrameMaker Document
Apogee Bio Menace Map

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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