Hi Benjamin S,
I am Saurabh a Microsoft Consumer just like you are. I am happy to help with my expertise and will try my best to solve your issue.
The procedures for reactivating an inactive M365 E5 Dev subscription can differ based on a number of variables, such as your subscription's particulars and the service provider's policies. To reactivate your subscription, follow these general instructions:
Contact Support: To learn more about the reactivation procedure and any particular actions you must take, get in touch with Microsoft support or the support staff of your service provider. They can offer you advice based on your particular circumstances.
Payment Verification: Verify that all outstanding payments have been made and that your payment information is current if your subscription expired as a result of payment problems.
Activity and Usage: Take use of the Microsoft 365 services that come with your membership by using them to access apps, produce content, or handle administrative duties. The system might detect renewed interest in the subscription as a result of this behaviour and reactivate it.
Look for Notifications: Pay attention to any emails or notifications that come from Microsoft or your service provider about the status of your subscription and what steps you need to take to get it back online.
Examine Subscription Terms: Review your subscription's terms and conditions to learn about any special prerequisites or criteria for reactivation. Use this information to ensure you meet all the requirements.
Be patient: The system may need some time to recognise your activity and complete the reactivation, depending on the specifics. Continue interacting with the services as needed while exercising patience.
Reactivation does not have a set timeframe, however it can be accelerated by being proactive and following up with support. Furthermore, following your subscription's guidelines and continuing to be active can help to improve the chances of a seamless reactivation process.
Hope this helps
Best Wishes,
Saurabh