To get started with OneDrive, you just need to log in to your Office365 account, click on the 9 dots in the top-left and open OneDrive. Once you're in there, you can drag and drop files from your USB drive into OneDrive. Wait for the files to upload, and then you're done. Watch the video below for a tutorial: https://youtu.be/nOvnpv5ivnM

You can access your Office365 emails by opening a web browser window and navigating to https://portal.office365.com and then select the outlook app from the bar down the left hand side or by clicking on the nine dots in the top left of the page. Watch the video below to see how it's done: https://www.youtube.com/watch?v=fDEZFk-noVM

The easiest answer to this is to use Chrome Profiles (or edge profiles if you prefer). This will allow you to have completely separate windows for each organisation you need access to and allow you to be logged in to Teams, Email, OneDrive and any other online platforms that you need to without interfering with other profiles/organisations you have set up. Watch the video below to see how to get started: https://www.youtube.com/watch?v=cAxCkNNs3SE

On a new iPad, you can either download the Outlook App and log in with your details, or use the built in Mail app in iPadOS. The first time you tap on the Mail app, it will ask you to set up a new account. Watch the video below to see how to do this for an Office365 email account: https://www.youtube.com/watch?v=IN6H3rCSEos

Firstly, you need to ask the owner of the calendar to share it with you. You'll get an email invitation allowing you to add the calendar. It won't appear until you've accepted that invitation. Watch the following video for a demonstration: https://youtu.be/1zeiQgFeQog