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3 steps to open file with 3MM extension

Usually solving problems with 3MM file is simple – just install proper software and open the file. Read the guide and open 3MM file now!

  1. 1. 3MM File Extension
  2. 2. How to open 3MM file?
    1. 2.1 Install a program that supports 3MM files
    2. 2.2 Find and download proper software
      1. 2.2.1 Programs that support files with 3MM extension
    3. 2.3 Check the 3MM file for errors
  3. 3. Similar file extensions

3MM File Extension

File
  • File type 3D Movie Maker Movie Project
  • File developer Microsoft
  • File category Video Files
  • File popularity rating
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How to open 3MM file?

There could be multiple reasons for which the system does not support given file. In the case of 3MM extension, it is probable that none of the installed programs support given file type. Therefore, user should undertake the following steps

Step 1: Install a program that supports 3MM files

If an application that supports 3MM files is installed on user’s system, but is not used to open such files by default, right-click on the file icon and choose "Open with" option from the menu. Next, select the proper application and check the "Always use the selected application to open this kind of files" box. The system will store this information in its registry and use the selected program to open files with 3MM extension by default.

Hint for Mac OS users

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For Mac OS users the procedure is analogous – open the file menu by right-clicking on the 3MM file and choose "Information" option and select "Open with program" option. From the submenu select an application and click on "Change all" button.

Step 2: Find and download proper software

Inability to open 3MM files may also be related to the lack of any application that supports given file being installed on the system. Should that be the case, user needs to download and install one of the following applications. Once installed, the system will automatically associate newly installed application with 3MM files. If this step fails, see step 1.

Programs that support files with 3MM extension

Windows programs
Windows

Step 3: Check the 3MM file for errors

Sometimes, although relatively rarely, steps 1 and 2 might not lead to expected results. There can be several reasons for such situation to occur:

  • 3MM file has been downloaded from the internet but for some reason it is incomplete. In such case the file should be re-downloaded and opened again.
  • Structure of given 3MM file could be corrupted and as such the program is not able to open the file
  • Storage medium on which the file was stored is damaged
  • It is important to ascertain that the icon representing given file is not a shortcut a related 3MM file no longer present in the location to which the shortcut points
  • If the user account has restricted access privileges it is advised to contact the system administrator or an IT expert

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