You may search any text file for words or phrases, except a scanned document not run through optical character reader (OCR) software. To initiate a search of a document select "Edit/Search" from the ...

Usually, there are dedicated applications to view different types of files. However, if you are looking for a viewer that lets you view files of multiple types, you have landed on the correct article.

You can, of course, save the contents of a Mail mailbox as an archive. But the messages in those archives can only be read if you import the archive back into Mail. What if you want to archive those ...