I have the same issue, my IT guys tell me the below:
Hi Rahul, as checked there is outage in your region Microsoft Copilot is experiencing an outage today (December 9, 2025).
- Microsoft confirmed the issue under incident ID CP1193544. Users in some regions (especially the UK) are unable to access Copilot or are seeing degraded functionality. The outage was first reported around 9:02 AM BST and is still under investigation.