PDF Files - How to Set Acrobat Reader DC or Acrobat DC your Default PDF Program

Article Type: How-To

Problem: PDF files keep opening in Microsoft Edge or another application besides Acrobat Reader DC or Acrobat DC.

• Files with the.pdf extension type are no longer opening in Acrobat Reader DC or Acrobat DC.
• Sometimes an update or computer repair service can inadvertently cause your computer to open .pdf files in Microsoft Windows' default browser (Microsoft Edge).

Resolution: Set Acrobat Reader DC or Acrobat DC to once again be your default PDF application.

• Users can manually set which application opens certain file types.
• Files with the.pdf extension type can be opened by several applications.
• Most users want .pdf files to open in an Adobe product like Acrobat Reader DC or Acrobat DC.

1. From the Windows Start Menu or Search Box, type "Default apps".
2. Click "Default apps - System settings".

1. Click "Choose default apps by file type".