AP_ file format description

Many people share .ap_ files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .ap_ file can be edited, converted or printed with. On this page, we try to provide assistance for handling .ap_ files.

1 filename extension(s) found in our database.

.ap_ - ADT Android Developer Package

The AP_ archive files are related to Eclipse ADT. The AP_ file is an ADT Android Developer Package. ADT (Android Developer Tools) is a plugin for Eclipse that provides a suite of tools that are integrated with the Eclipse IDE.

Eclipse ADT
Archive files
- / -
ADT Android Developer Package related extensions:
System V Release 4 CPIO Checksum Data
PAQ8P Compressed Archive
StuffIt Expander Archive
Inquisit Script Package
SFzip SoundFont Compressed Archive
FreeArc Archive File

Naturally, other applications may also use the .ap_ file extension. Even harmful programs can create .ap_ files. Be especially cautious with .ap_ files coming from an unknown source!

Can't open a .ap_ file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .ap_ file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:


Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

WebSuite Active Page
ArtPro Plus Data
Amiga WHAP Compressed Archive
Entrypoint 90 Application

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.


If you have useful information about the .ap_ file format, then write to us!

DataTypes.net >> AP_ file