The File Extensions Database

.ALT File Extension

  • Developer by: Microsoft
  • Category: Misc Files

What is an .ALT file?

.ALT is Dynamics AX Temporary File

Application label temporary file generated by Microsoft Dynamics AX; contains new labels created within program; saved as a standard label data (.ALD) file once the Dynamics AX Application Object Server has shut down.

Programs that open Dynamics AX Temporary File
Microsoft Dynamics AX

How to solve problems with ALT files

  • Associate the ALT file extension with the correct application. On :
    Windows: Right click on any ALT file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.ALT files". Mac: Right click (or Ctrl-click) the ALT file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .ALT is Dynamics AX Temporary File. Because only the current version supports the latest ALT file format. Search, therefore, e.g. on the Microsoft manufacturer website after an available .ALT is Dynamics AX Temporary File update.
  • To make sure that your ALT file is not corrupted or virus-infected, get the file again and scan it with antivirus software.