Welcome back! To follow up on my recent posts about Microsoft Office, I wanted to answer one nagging question - how can I be sure I won't lose my emails when I upgrade?

Installing a new version of Office will not delete any of your old files, as long as you have saved them first. We recommend making sure you have saved all your files before installing the program. However, if you are moving from one computer to another, you will need to back up your files and import them into your new computer. Here's Microsoft's official FAQ on backing up files from Office. 

If you are using an exchange server for email, there is no need to back up your emails as your newly-installed Outlook will re-download them from your server. However, if you aren’t sure, here is a short tutorial on how to back up, export, and import your emails and other files.