File Extension Library

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.FM1 File Extension

  • Developer by: IBM
  • Category: Spreadsheet and workbook Files

What are .FM1 files and how to open them?

Can't open .FM1 file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .FM1 file.

What is a .FM1 file extension?

.FM1 file extension is created by IBM. .FM1 has been classified as Spreadsheet and workbook Files.

.FM1 is Lotus 1-2-3 release 2.x spreadsheet

The fm1 file extension is associated with Lotus 1-2-3, a spreadsheet editor for Microsoft Windows and various other platforms.

The fm1 files were used by Lotus 1-2-3 release 2.X for spreadsheets.

Mime types:
application/vnd.lotus-1-2-3
application/x-123


How to open:

Use Lotus 1-2-3 to open the *.fm1 files. Also some spreadsheets programs can still open the .fm1 files, however the latest Microsoft Excel 2007/2010 no longer support that format. You can have luck with any earlier version of Excel, but you will probably loose some of the formatting from the *.fm1 files.

How to convert:

Possibly can be converted like any other spreadsheet documents.

How to fix problems with .FM1 files

  1. You need to update the application that you normally use to open .FM1 files. Only the latest version of the software supports the current .FM1 file format
  2. You need to check the .FM1 file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)
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