APO File Extension

What is APO file?

APO filename suffix is mostly used for Abacre Paperless Office files. Abacre Limited defined the Abacre Paperless Office format standard. Files with APO extension may be used by programs distributed for Windows platform. APO file belongs to the Document Files category just like 574 other filename extensions listed in our database. Abacre Paperless Office is by far the most used program for working with APO files. Abacre Paperless Office software was developed by Abacre Limited, and on its official website you may find more information about APO files or the Abacre Paperless Office software program.

Programs which support APO file extension

The following listing features APO-compatible programs. Files with APO suffix can be copied to any mobile device or system platform, but it may not be possible to open them properly on target system.

How to open file with APO extension?

Problems with accessing APO may be due to various reasons. What is important, all common issues related to files with APO 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 Abacre Paperless Office

The most common reason for such problems is the lack of proper applications that supports APO files installed on the system. The solution is straightforward, just download and install Abacre Paperless Office. Above you will find a complete listing of programs that support APO files, classified according to system platforms for which they are available. One of the most risk-free method of downloading software is using links provided by official distributors. Visit Abacre Paperless Office website and download the installer.

Step 2. Update Abacre Paperless Office to the latest version

You still cannot access APO files although Abacre Paperless Office is installed on your system? Make sure that the software is up to date. Software developers may implement support for more modern file formats in updated versions of their products. If you have an older version of Abacre Paperless Office installed, it may not support APO format. The most recent version of Abacre Paperless Office is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Assign Abacre Paperless Office to APO files

If you have the latest version of Abacre Paperless Office installed and the problem persists, select it as the default program to be used to manage APO on your device. The method is quite simple and varies little across operating systems.

The procedure to change the default program in Windows

• Clicking the APO with right mouse button will bring a menu from which you should select the Open with option
• Next, select the Choose another app option and then using More apps open the list of available applications
• Finally select Look for another app on this PC, point to the folder where Abacre Paperless Office is installed, check the Always use this app to open APO files box and conform your selection by clicking OK button

The procedure to change the default program in Mac OS

• By clicking right mouse button on the selected APO file open the file menu and choose Information
• Proceed to the Open with section. If its closed, click the title to access available options
• Select Abacre Paperless Office and click Change for all...
• A message window should appear informing that This change will be applied to all files with APO extension. By clicking Continue you confirm your selection.

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

Should the problem still occur after following steps 1-3, check if the APO file is valid. It is probable that the file is corrupted and thus cannot be accessed.

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

Should it happed that the APO is infected with a virus, this may be that cause that prevents you from accessing it. Immediately scan the file using an antivirus tool or scan the whole system to ensure the whole system is safe. APO file is infected with malware? Follow the steps suggested by your antivirus software.

2. Check whether the file is corrupted or damaged

If you obtained the problematic APO file from a third party, ask them to supply you with another copy. During the copy process of the file errors may occurred rendering the file incomplete or corrupted. This could be the source of encountered problems with the file. If the APO file has been downloaded from the internet only partially, try to redownload it.

3. Check if the user that you are logged as has administrative privileges.

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Log in using an administrative account and see If this solves the problem.

4. Check whether your system can handle Abacre Paperless Office

The operating systems may note enough free resources to run the application that support APO files. Close all running programs and try opening the APO file.

5. Check if you have the latest updates to the operating system and drivers

Latest versions of programs and drivers may help you solve problems with Abacre Paperless Office files and ensure security of your device and operating system. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle APO files.

Do you want to help?

If you have additional information about the APO 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 APO file.