There is a 10mb size limitation for attachments to email messages, however, there is another way to send larger files via email. Upload the file you want to attach to an email into your Business Center, into the Files section. To do this, log into your Business Center, click on the Files tab, then click the Add File link in the top left.

Then click Select File on the top left and browse your computer for the file you wish to use. Select the desired file then click the Open button on the bottom right. Next, click the gray Upload button in the top right. The file will then be uploaded into the Files section of your Business Center, into the folder called My Online Files. Double click on the file name this will open up a window called File Properties. In the file properties window, click the gray link called Forward, then click Next in the next window.