A comparison of Skydrive and iCloud side by side. There's Google apps, Skydrive, and iCloud as the big three of online cloud-based word processing and since we do so much writing in schools, it is likely that your school would select one of the three. If you haven't selected any, then you have a big problem unless you've got a masterful way of syncing locally. This is how we work in the 21st century and it is time to get with the program.
Microsoft gives all SkyDrive users 25GB of free storage space. That's a whole lot of bang for absolutely no bucks.
Having students submit written work to you to through Google Docs or Zoho Writer will eliminate the need for them to send you document attachments. Simply have them share their
documents with you. You can edit their documents and grade their documents without having to open attachments. Using Google Docs or Zoho Writer will eliminate issues associated with students sending attachments that you cannot open. Getting your students to use either of these services will free up a lot of storage space in your email inbox.