NAM file icon

NAM File Extension

DMAP Spreadsheet Format

What is NAM file?

NAM filename suffix is mostly used for DMAP Spreadsheet Format files. DMAP Spreadsheet Format specification was created by Alan Morton. NAM files are supported by software applications available for devices running Windows. Files with NAM extension are categorized as Spreadsheet Files files. The Spreadsheet Files subset comprises 100 various file formats. The most popular software that supports NAM files is DMAP. Software named DMAP was created by Alan Morton. In order to find more detailed information on the software and NAM files, check the developer’s official website.

Programs which support NAM file extension

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

Programs that support NAM file

Windows Windows

How to open file with NAM extension?

Being unable to open files with NAM extension can be have various origins. Fortunately, most common problems with NAM files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. The following is a list of guidelines that will help you identify and solve file-related problems.

Step 1. Download and install DMAP

Install software to open NAM file The most common reason for such problems is the lack of proper applications that supports NAM files installed on the system. The solution to this problem is very simple. Download DMAP and install it on your device. The full list of programs grouped by operating systems can be found above. One of the most risk-free method of downloading software is using links provided by official distributors. Visit DMAP website and download the installer.

Step 2. Verify the you have the latest version of DMAP

Update software that support file extension NAMIf the problems with opening NAM files still occur even after installing DMAP, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of DMAP is available. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. If you have an older version of DMAP installed, it may not support NAM 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 DMAP.

Step 3. Assign DMAP to NAM files

If you have the latest version of DMAP installed and the problem persists, select it as the default program to be used to manage NAM on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

Associate software with NAM file on Windows

The procedure to change the default program in Windows

  • Clicking the NAM 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
  • Finally select Look for another app on this PC, point to the folder where DMAP is installed, check the Always use this app to open NAM files box and conform your selection by clicking OK button
Associate software with NAM file on Mac

The procedure to change the default program in Mac OS

  • From the drop-down menu, accessed by clicking the file with NAM extension, select Information
  • Proceed to the Open with section. If its closed, click the title to access available options
  • From the list choose the appropriate program and confirm by clicking Change for all....
  • A message window should appear informing that This change will be applied to all files with NAM extension. By clicking Continue you confirm your selection.

Step 4. Verify that the NAM is not faulty

If you followed the instructions form the previous steps yet the issue is still not solved, you should verify the NAM file in question. Being unable to access the file can be related to various issues.

Check NAM file for viruses
1. The NAM may be infected with malware – make sure to scan it with an antivirus tool.

If the file is infected, the malware that resides in the NAM file hinders attempts to open it. Scan the NAM file as well as your computer for malware or viruses. If the scanner detected that the NAM file is unsafe, proceed as instructed by the antivirus program to neutralize the threat.

2. Check whether the file is corrupted or damaged

If you obtained the problematic NAM file from a third party, ask them to supply you with another copy. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. When downloading the file with NAM extension from the internet an error may occurred resulting in incomplete file. Try downloading the file again.

3. Check if the user that you are logged as has administrative privileges.

Sometimes in order to access files user need to have administrative privileges. Switch to an account that has required privileges and try opening the DMAP Spreadsheet Format file again.

4. Make sure that the system has sufficient resources to run DMAP

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

5. Verify that your operating system and drivers are up to date

Latest versions of programs and drivers may help you solve problems with DMAP Spreadsheet Format files and ensure security of your device and operating system. It may be the case that the NAM files work properly with updated software that addresses some system bugs.

Do you want to help?

If you have additional information about the NAM file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on NAM file.

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