FM1 File Extension

What is FM1 file?

FM1 is a file extension commonly associated with Lotus 1-2-3 Release 2.x Spreadsheet files. Lotus 1-2-3 Release 2.x Spreadsheet specification was created by IBM. Files with FM1 extension may be used by programs distributed for Windows platform. Files with FM1 extension are categorized as Spreadsheet Files files. The Spreadsheet Files subset comprises 100 various file formats. The software recommended for managing FM1 files is Lotus 1-2-3. Software named Lotus 1-2-3 was created by IBM. In order to find more detailed information on the software and FM1 files, check the developer’s official website.

Programs which support FM1 file extension

Below is a table that list programs that support FM1 files. FM1 files can be encountered on all system platforms, including mobile, yet there is no guarantee each will properly support such files.

How to open file with FM1 extension?

Problems with accessing FM1 may be due to various reasons. What is important, all common issues related to files with FM1 extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Get the Lotus 1-2-3

Problems with opening and working with FM1 files are most probably having to do with no proper software compatible with FM1 files being present on your machine. The solution to this problem is very simple. Download Lotus 1-2-3 and install it on your device. Above you will find a complete listing of programs that support FM1 files, classified according to system platforms for which they are available. If you want to download Lotus 1-2-3 installer in the most secured manner, we suggest you visit IBM website and download from their official repositories.

Step 2. Verify the you have the latest version of Lotus 1-2-3

If the problems with opening FM1 files still occur even after installing Lotus 1-2-3, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Lotus 1-2-3 is available. Sometimes software developers introduce new formats in place of that already supports along with newer versions of their applications. If you have an older version of Lotus 1-2-3 installed, it may not support FM1 format. All of the file formats that were handled just fine by the previous versions of given program should be also possible to open using Lotus 1-2-3.

Step 3. Set the default application to open FM1 files to Lotus 1-2-3

After installing Lotus 1-2-3 (the most recent version) make sure that it is set as the default application to open FM1 files. The next step should pose no problems. The procedure is straightforward and largely system-independent

Selecting the first-choice application in Windows

• Clicking the FM1 with right mouse button will bring a menu from which you should select the Open with option
• Click Choose another app and then select More apps option
• To finalize the process, select Look for another app on this PC entry and using the file explorer select the Lotus 1-2-3 installation folder. Confirm by checking Always use this app to open FM1 files box and clicking OK button.

Selecting the first-choice application in Mac OS

• By clicking right mouse button on the selected FM1 file open the file menu and choose Information
• Open the Open with section by clicking its name
• Select Lotus 1-2-3 and click Change for all...
• A message window should appear informing that This change will be applied to all files with FM1 extension. By clicking Continue you confirm your selection.

Step 4. Ensure that the FM1 file is complete and free of errors

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper FM1 file. It is probable that the file is corrupted and thus cannot be accessed.

1. Check the FM1 file for viruses or malware

If the FM1 is indeed infected, it is possible that the malware is blocking it from opening. It is advised to scan the system for viruses and malware as soon as possible or use an online antivirus scanner. If the scanner detected that the FM1 file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Ensure the file with FM1 extension is complete and error-free

Did you receive the FM1 file in question from a different person? Ask him/her to send it one more time. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. If the FM1 file has been downloaded from the internet only partially, try to redownload it.

3. Ensure that you have appropriate access rights

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log in using an administrative account and see If this solves the problem.

4. Verify that your device fulfills the requirements to be able to open Lotus 1-2-3

If the systems has insufficient resources to open FM1 files, try closing all currently running applications and try again.

5. Ensure that you have the latest drivers and system updates and patches installed

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Lotus 1-2-3 Release 2.x Spreadsheet file. It is possible that one of the available system or driver updates may solve the problems with FM1 files affecting older versions of given software.

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