Why You Should Compress Files Before Sending Them via Email

Space Is Key

Zip file illustration
Why You Should Compress Email Files. Alex Belomlinsky / Getty Images

Nobody likes to wait for a long download, and often this costs the recipient of large email attachments not only time but also money.

A lot of the download time generated by attached files is unnecessary, however. Many file formats are not very space-conscious. Especially documents created by word processors like Microsoft Word are notorious for wasting hard disk space.

Compress Files Before Sending Them via Email

You can prevent them from wasting network resources, however, by

  • inflating them with a compression utility like

Most word processor documents can be compressed to 10% or less of their original size.

Send Big Files via Email

If the files you want to send surpass a few MB (say, 10 MB) even after compression, it's better to use a file sending service rather than attach them since many email accounts place limits on the size of files they accept.