3 steps to open file with FFU extension

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

FFU File Extension

File
  • File type Windows Phone Full Flash Update
  • File developer Microsoft Corporation
  • File category Misc Files
  • File popularity rating
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What is a(n) FFU file?

Files in the .FFU format are used by Windows to flash updates of phones using Windows. The file stores an operating system image cryptographically signed by Microsoft and including up to several update packages. The files are usually large and do not offer the option of removing update packages from the image - users can only add new packages.

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How to open FFU file?

There could be multiple reasons for which the system does not support given file. In the case of FFU 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 FFU files

If an application that supports FFU 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 FFU 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 FFU 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 FFU 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 FFU files. If this step fails, see step 1.

Programs that support files with FFU extension

Step 3: Check the FFU 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:

  • FFU 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 FFU 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 FFU 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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