That's about all I have other than make sure you have any email backed up if using an email client.
Also, even that may not be necessary unless you are using POP access.
If you've been using IMAP all of your messages are still retained on the server side. I am endlessly testing various e-mail clients, and on different platforms, and I can nuke my account from any one of them, or all of them, and if I create it again it's as though it never went away (other than needing to re-download the most recent message bodies or any ancient ones I may access).
IMAP has so many advantages over POP, and synchronized access across multiple devices and "back up" being a built-in feature of server-side long term storage of messages are two of the biggest.
Also, since free and/or open-source office suites have been mentioned in this thread as well, OpenOffice is another good one.
I have never had any issue reinstalling Microsoft Office on a new machine when someone upgrades their hardware so long as the license key is available. If you have a single user license all you need to do in order to stay legal (and you should) is to uninstall Office on the machine being disposed of before installing it on the new machine. You can also contact Microsoft Support if you have an issue when doing this and they will reset the "install count" if necessary if you're willing to state that you are not violating the license terms you agreed to.
Edited by britechguy, 03 December 2016 - 12:02 AM.
Brian AKA Bri the Tech Guy (website in my user profile) - Windows 10 Home, 64-Bit, Version 1803, Build 17134
Memory is a crazy woman that hoards rags and throws away food.
~ Austin O'Malley