The File Extensions Database


.ATP File Extension

  • Developer by: Microsoft Corporation
  • Category: Source code and script Files

What is an .ATP file?

.ATP is Microsoft Visual Studio Visual SourceSafe ACT project

The atp file extension is mainly associated with Microsoft Visual Studio, an integrated development environment for Microsoft Windows, that allows programmers to develop apps for Windows, Windows Phone, web etc.

The typical atp file stores SourceSafe ACT project.


How to open:

Use Visual Studio to open .atp Visual SourceSafe ACT project files.

How to convert:

Projects are typically exported to finished output format, but not converted.

How to solve problems with ATP files

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