Even if I were only sending a single word processing document, I would probably still compress it, especially if it's a large document. But this doesn't say you shouldn't compress single files. Now I could easily open a new email message and drag all of these files into the message as separate attachments, but you're going to find that compressing multiple files into a single attachment generally results in all the files getting to their destination without corruption or errors much more frequently than sending everything uncompressed as individual attachments. I have here on my desktop the exercise files folder for this course. Fortunately, Mac OS has the ability to compress files in the most popular compression format, the zip format. Compressing a file does just what it sounds like: it makes the file smaller. When it comes to the web, the file size still matters a lot and is a major determining factor in how long it takes to send and receive a file or whether you can send the file at all.

Regardless of the type of file you're sending to someone, if you're using the internet to send the file, whether by email or a web-based sharing service, another habit you should get into is compressing your files before emailing them.

What does compressing files do on mac