QAT File Extension

What is QAT file?

QAT filename suffix is mostly used for Microsoft Office Quick Access Toolbar Info files. Microsoft Corporation defined the Microsoft Office Quick Access Toolbar Info format standard. QAT file format is compatible with software that can be installed on Windows system platform. QAT file format, along with 1305 other file formats, belongs to the Settings Files category. The software recommended for managing QAT files is Microsoft Office. Microsoft Office software was developed by Microsoft Corporation, and on its official website you may find more information about QAT files or the Microsoft Office software program.

Programs which support QAT file extension

The following listing features QAT-compatible programs. Files with QAT 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 QAT extension?

Problems with accessing QAT may be due to various reasons. Fortunately, most common problems with QAT files can be solved without in-depth IT knowledge, and most importantly, in a matter of minutes. We have prepared a listing of which will help you resolve your problems with QAT files.

Step 1. Get the Microsoft Office

The main and most frequent cause precluding users form opening QAT files is that no program that can handle QAT files is installed on user’s system. The solution to this problem is very simple. Download Microsoft Office and install it on your device. On the top of the page a list that contains all programs grouped based on operating systems supported can be found. If you want to download Microsoft Office installer in the most secured manner, we suggest you visit Microsoft Corporation website and download from their official repositories.

Step 2. Update Microsoft Office to the latest version

If the problems with opening QAT files still occur even after installing Microsoft Office, it is possible that you have an outdated version of the software. Check the developer’s website whether a newer version of Microsoft Office is available. It may also happen that software creators by updating their applications add compatibility with other, newer file formats. The reason that Microsoft Office cannot handle files with QAT may be that the software is outdated. The most recent version of Microsoft Office is backward compatible and can handle file formats supported by older versions of the software.

Step 3. Associate Microsoft Office Quick Access Toolbar Info files with Microsoft Office

If you have the latest version of Microsoft Office installed and the problem persists, select it as the default program to be used to manage QAT on your device. The next step should pose no problems. The procedure is straightforward and largely system-independent

The procedure to change the default program in Windows

• Choose the Open with entry from the file menu accessed by right-mouse clicking on the QAT file
• Select Choose another app → More apps
• Finally select Look for another app on this PC, point to the folder where Microsoft Office is installed, check the Always use this app to open QAT 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 QAT 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 Microsoft Office and click Change for all...
• A message window should appear informing that This change will be applied to all files with QAT extension. By clicking Continue you confirm your selection.

Step 4. Check the QAT for errors

You closely followed the steps listed in points 1-3, but the problem is still present? You should check whether the file is a proper QAT file. Being unable to access the file can be related to various issues.

1. Verify that the QAT in question is not infected with a computer virus

If the QAT is indeed infected, it is possible that the malware is blocking it from opening. Scan the QAT file as well as your computer for malware or viruses. If the QAT file is indeed infected follow the instructions below.

2. Verify that the QAT file’s structure is intact

Did you receive the QAT file in question from a different person? Ask him/her to send it one more time. 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 QAT 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

There is a possibility that the file in question can only be accessed by users with sufficient system privileges. Switch to an account that has required privileges and try opening the Microsoft Office Quick Access Toolbar Info file again.

4. Check whether your system can handle Microsoft Office

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

5. Ensure that you have the latest drivers and system updates and patches installed

Up-to-date system and drivers not only makes your computer more secure, but also may solve problems with Microsoft Office Quick Access Toolbar Info file. Outdated drivers or software may have caused the inability to use a peripheral device needed to handle QAT files.

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