The File Extensions Database

.APPUP File Extension

  • Developer by: Erlang
  • Category: Misc Files
  • Format: Text

What is an .APPUP file?

.APPUP is Erlang Application Upgrade File

File used by applications that use Erlang, a technology used for building large, scalable software systems such as computer telephony and instant messaging applications; saved in a plain text format and contains instructions for how to upgrade or downgrade an application.

Programs that open Erlang Application Upgrade File

How to solve problems with APPUP files

  • Associate the APPUP file extension with the correct application. On :
    Windows: Right click on any APPUP file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.APPUP files". Mac: Right click (or Ctrl-click) the APPUP 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 .APPUP is Erlang Application Upgrade File. Because only the current version supports the latest APPUP file format. Search, therefore, e.g. on the Erlang manufacturer website after an available .APPUP is Erlang Application Upgrade File update.
  • To make sure that your APPUP file is not corrupted or virus-infected, get the file again and scan it with antivirus software.