If you have several documents to send, it might be worth your while to send them as a zip file (or zip archive) instead of as separate attachments. Zip files conserve space and limit size by compressing files. Images, audio and text files such as Word and PDF documents shrink dramatically in size when zipped. It also can be more convenient to receive one file that expands into its own folder instead of several files that must be downloaded individually.
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Select the file(s) you want to compress into a zip file. Mac users: Hold down the command key to select multiple files. PC users: Hold down the control key.
Right-click on the files you've selected. Mac users: Select "Compress Items." PC users: Select "Send to" then pick "Compressed (zipped) folder." A new file will appear named "Archive.zip."
Rename the file to reflect its contents, if desired. If you're sending a budget proposal, change the name to something like "budgetproposal.zip."
Create an email to the desired recipient and attach the archive. The addressee will be able to download and expand (unzip) the file easily.