Fix Adobe Acrobat Reader could not open PDF because it is either not a supported file type or because the file has been damaged error on PC.

Portable document format (PDF) files remain a popular choice for business documents ranging from contracts and forms to manuals and reports, so there's a good chance you need to open them often.

PDF files can be weaponized by malicious actors to steal Windows credentials (NTLM hashes) without any user interaction, and only by opening a file, according to Assaf Baharav, a security ...