The File Extensions Database


.APT File Extension

  • Category: Text Files
  • Format: Text

What is an .APT file?

.APT is Almost Plain Text File

Text document written in Almost Plain Text (APT), a simple markup language that describes the formatting of a text document; can be converted to HTML, PDF, PostScript, RTF, or other formats using a document generation program such as Aptconvert, which is often used with Maven software development tools.

You can edit APT files with any text editor since the files are saved in a plain text format.

NOTE: APT files are similar to Wiki webpages, which are also written in a simple markup language intended to be displayed as HTML.

How to solve problems with APT files

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