If you ever encounter the problem of Windows trying to open a file in the wrong application, you're not alone. Although you can use the Open With command, there's a way to make sure you do not have to do this every time: Learn how to change file associations.
Note: If you do not know which file type you want to change the mapping with, right-click the file and click Properties on the menu that appears. At the top of the Properties window, look for "Save as type". The three-letter designation next to it is the file type. You can do this based on a single file type or you can change all from one location.
Modifying a File
The quickest way to change a single file type is to go to the "Open With" menu we mentioned. The only problem is that you can only change one file type at a time. If you want to change more than one file type, proceed to the next section.
Step 1: Right-click a file of the type you want to change
Step 2: Select in the following menu "Open With" Off
Step 3: Windows will then offer you an app or list of apps. This can serve as the default for this file type. When you see the file you want, select it and make sure the "Always use this app to open [file type] files" box is checked.
If you can not see your preferred app, either search for one Click the "Search for an App in Store" button for an advanced list of already-installed apps, or click "More Apps."
Step 4: If you & # 39; Once you have found and selected the desired app, just click on the gray "OK" button.
From this point, all files of this type will open with the application you choose.
Change All  If you want to change a few different file types – or even all – then the settings menu is the best place for you.
Step 1: Press the Windows key and "X" and click "Settings" from the resulting menu.
Alternatively, you can search for "Settings" in the Windows search bar and click the corresponding icon Result
Step 2: Select "Apps" from the list of options out.
Step 3: Click "Default Apps" menu
Step 4: Scroll down as needed and click "Default" Select apps by file type ".