Attaching any file to an email But, what if you want to attach non-photo and non-video files to your Gmail message? This is where the Attachments [Gmail Attach] app comes in really handy.

“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 ...

Need to edit a PDF document but don’t want to pay for the more expensive Adobe editors? You can add text to and sign a PDF with just the free Reader program.