I'm trying to sign in, but OneNote tells me I don't have an eligible Microsoft 365 subscription I have a subscription: If you already have a Microsoft 365 subscription, tap Sign In and enter the email address associated with your subscription. This might be the email that your school or work gave you. I don't have a subscription: If you don't have a Microsoft 365 subscription, you can sign in with a free Microsoft Account that gives you full access to OneNote (except for SharePoint access). If you don't have a Microsoft account, tap Create Account to create a free Microsoft Account. Note: Keep in mind that OneNote for iPhone or iPad can only be used with a Microsoft 365 subscription or a free Microsoft account. I'm trying to activate, but OneNote tells me I don't have an eligible Microsoft 365 subscription ...