Some Teams and Excel users have reported unusual errors while opening, attaching, or performing specific tasks on the files. This article will focus on the best ...

There are times when Acrobat Reader DC fails to open a PDF file and displays the following error message: Adobe Acrobat Reader could not open PDF because it is either ...

Microsoft uses file associations to set default programs for opening different file types on all its operating systems. As a result, when you open a file, be it text, image, or document, on your ...

Jake Peterson is Lifehacker’s Senior Technology Editor. He has a BFA in Film & TV from NYU, where he specialized in writing. Jake has been helping people with their technology professionally since ...