PDF is one of the most common formats used for sending and receiving documents. The PDF format is especially useful when sending professional documents such as contracts because it preserves the ...

“Is there any way to password-protect and lock a sensitive PDF file before sending it as an attachment through email? I cannot afford Adobe Acrobat Pro and free primopdf didn’t work for me. Any help ...

Want to add a picture, video, PDF, Pages document or other file to an email in Mail on the iPhone? Don’t worry: it’s easy. (We’ll be attaching the file to the email itself, which is suitable for small ...