It's very easy to use, you can easily send or receive emails with attachments from your computer without needing any special software (like MFC). I dislike that it doesn't work well sometimes when sending files through Google Drive as an attachment in email messages; if there are many people using this system at once then they may all get confused by what file has been attached next etc which makes things difficult! Also some of our customers don’t like being able have their own personalised logins so we need them having one login rather than two separate ones - again not ideal but understandable given how much easier everything would be otherwise!! Sending invoices via AvantFax saves us time & costs compared other suppliers who charge higher rates per month even though nothing else changes except price paid vs invoice sent out manually over phone/email every week.