AP12 File Extension

What is AP12 file?

AP12 is a file extension commonly associated with TIA Version 12 Project Format files. AP12 files are supported by software applications available for devices running Windows. Files with AP12 extension are categorized as Misc Files files. The Misc Files subset comprises 6033 various file formats. The software recommended for managing AP12 files is TIA Portal. TIA Portal software was developed by Siemens AG, and on its official website you may find more information about AP12 files or the TIA Portal software program.

Programs which support AP12 file extension

The following listing features AP12-compatible programs. Files with AP12 extension, just like any other file formats, can be found on any operating system. The files in question may be transferred to other devices, be it mobile or stationary, yet not all systems may be capable of properly handling such files.

Updated: 01/06/2021

How to open file with AP12 extension?

Problems with accessing AP12 may be due to various reasons. What is important, all common issues related to files with AP12 extension can be resolved by the users themselves. The process is quick and doesn’t involve an IT expert. The list below will guide you through the process of addressing the encountered problem.

Step 1. Download and install TIA Portal

The main and most frequent cause precluding users form opening AP12 files is that no program that can handle AP12 files is installed on user’s system. The solution to this problem is very simple. Download TIA Portal and install it on your device. The full list of programs grouped by operating systems can be found above. If you want to download TIA Portal installer in the most secured manner, we suggest you visit Siemens AG website and download from their official repositories.

Step 2. Verify the you have the latest version of TIA Portal

You still cannot access AP12 files although TIA Portal is installed on your system? Make sure that the software is up to date. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. If you have an older version of TIA Portal installed, it may not support AP12 format. The most recent version of TIA Portal is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Assign TIA Portal to AP12 files

After installing TIA Portal (the most recent version) make sure that it is set as the default application to open AP12 files. The next step should pose no problems. The procedure is straightforward and largely system-independent

Selecting the first-choice application in Windows

• Clicking the AP12 with right mouse button will bring a menu from which you should select the Open with option
• Select Choose another app → More apps
• The last step is to select Look for another app on this PC option supply the directory path to the folder where TIA Portal is installed. Now all that is left is to confirm your choice by selecting Always use this app to open AP12 files and clicking OK.

Selecting the first-choice application in Mac OS

• Right-click the AP12 file and select Information
• Proceed to the Open with section. If its closed, click the title to access available options
• Select TIA Portal and click Change for all...
• Finally, a This change will be applied to all files with AP12 extension message should pop-up. Click Continue button in order to confirm your choice.

Step 4. Ensure that the AP12 file is complete and free of errors

Should the problem still occur after following steps 1-3, check if the AP12 file is valid. Problems with opening the file may arise due to various reasons.

1. The AP12 may be infected with malware – make sure to scan it with an antivirus tool.

If the AP12 is indeed infected, it is possible that the malware is blocking it from opening. Scan the AP12 file as well as your computer for malware or viruses. AP12 file is infected with malware? Follow the steps suggested by your antivirus software.

2. Ensure the file with AP12 extension is complete and error-free

If the AP12 file was sent to you by someone else, ask this person to resend the file to you. It is possible that the file has not been properly copied to a data storage and is incomplete and therefore cannot be opened. It could happen the the download process of file with AP12 extension was interrupted and the file data is defective. Download the file again from the same source.

3. Verify whether your account has administrative rights

Sometimes in order to access files user need to have administrative privileges. Log out of your current account and log in to an account with sufficient access privileges. Then open the TIA Version 12 Project Format file.

4. Verify that your device fulfills the requirements to be able to open TIA Portal

If the systems has insufficient resources to open AP12 files, try closing all currently running applications and try again.

5. Verify that your operating system and drivers are up to date

Regularly updated system, drivers, and programs keep your computer secure. This may also prevent problems with TIA Version 12 Project Format files. It is possible that one of the available system or driver updates may solve the problems with AP12 files affecting older versions of given software.

Do you want to help?

If you have additional information about the AP12 file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on AP12 file.