Hotmail lets you automatically forward incoming messages to another email address of your choice, and it doesn't even have to be another Microsoft account.

Once signed into your account, click on the gear icon (top right corner) and choose "Options" from the dropdown. On the next page, click on the "Email forwarding" link (fourth link … Read more

If you attach multiple files, they will be zipped (compressed) into a single file by the AOL software before they are sent. The recipient of your email will need to unzip the files after downloading them. If the recipient is signed on to the AOL or CompuServe service, the files will be unzipped automatically after … Read more