While Microsoft Edge can open any PDF file, if you prefer Adobe Acrobat, you can use the Adobe extension to make Acrobat the default PDF viewer in your browser.

You can ditch Microsoft Edge and set another app as your default PDF reader, and in this guide, we'll show you how on Windows 10.

See what you can do to fix the problem quickly. Adobe Acrobat Reader could not open PDF Earlier, Acrobat products performed no checks on the extraneous bytes present before the %PDF-header.