PDFs opening up in Microsoft Edge? Follow these steps to change your default program and open PDFs in Adobe Acrobat.
Click on the Search Field from your Task Bar and enter Default Programs. Click on the Default Programs Desktop App.
At the next screen, scroll down to the bottom.
At the bottom, click on "Choose default apps by file type."
At the next screen, scroll down to find the PDF file type, listed on the left.
Once you have found PDF, click on the icon to change the file type (typically Microsoft Edge will be listed).
Click on Microsoft Edge, and choose Adobe Acrobat from the drop-down menu.
You can then close this window and resume your regularly scheduled work day.
Tip: You may see your open windows flash for a split second after making this change.