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.

Can't view PDF files? Unable to open PDF Files? PDF Files will not open in Internet Explorer 11? Learn how to fix the problem & make IE open PDF Files.

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.

Whether you're signing an I-9 document for a human resources, sharing workout tips with your best friend, or putting together documentation for a patent application, it's terrifically important that ...

Gimp is normally used to create or manipulate images files, but can also work with PDFs if you understand how it works and what it's limits are. If you’ve never used Gimp—a free image editor available ...

Right-click any PDF file and choose Open With > Preview, then wait for your document to load. In the window that opens, head to File > Export and choose Permissions.

There are several ways you can convert a PDF file to a Word document, including a method that only takes a few clicks.

In a PDF document, there are essentially two ways to display text. One way is to embed the text, including its font information, in the document file. The other way is to display the text as an image, ...