>> AP12 file

AP12 file format description

Many people share .ap12 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .ap12 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .ap12 files.

1 filename extension(s) found in our database.

.ap12 - Siemens TIA v12 Project

The AP12 project files are related to Siemens TIA Portal. The AP12 file is a Siemens TIA v12 Project. Siemens TIA (Totally Integrated Automation) Portal is a graphic engineering framework, which functions as an individual program with a uniform user interface.

Siemens TIA Portal
Project files
- / -
Siemens TIA v12 Project related extensions:
Audit Workbench Project
Elastic Reality Project
Minitab Express Project
CanvasWorkspace Project
Cakewalk Sonar Template
Cinelerra Video Project

Naturally, other applications may also use the .ap12 file extension. Even harmful programs can create .ap12 files. Be especially cautious with .ap12 files coming from an unknown source!

Can't open a .ap12 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 .ap12 file extension is often given incorrectly!

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

a12, ap2, p12

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

ActivPrimary Resource
Parity Archive v2 Data
HERE Maps for Android Package
HERE Maps for Android SCS Map
PKCS #12 Data File
ARJ Compressed Archive

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, 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 .ap12 file format, then write to us!