Hi King,
Thanks for getting in touch with the community I get how annoying it must be to feel shut out of your email and files because of OneDrive storage mostly when you've already tried fixing it and even have a recording to show what’s going on but let me help.
It sounds like you're running into a common problem where OneDrive says it’s full even after you’ve trashed stuff. This can stop your email from working since Microsoft connects OneDrive and Outlook storage.
This happens because deleted files might still be chilling in the OneDrive Recycle Bin or they might not have synced right across your devices. Also if OneDrive freezes because you’ve gone over the limit it can stop you from deleting files and getting to your email.
To fix this here’s what you can try Clear out the OneDrive Recycle Bin on onedrive.live.com. Disconnect OneDrive from your computer find the OneDrive icon on the taskbar right-click and go to Settings then Account and choose Unlink this PC. Use a private browser window to trash files from OneDrive online. Look at your Outlook storage settings Head to Outlook.com then select Settings select Accounts and Storage and get rid of attachments if you need to.
Have you tried getting into OneDrive through the mobile app or a private browser to trash those files? That sometimes gets around sync or login problems.
I hope this answer is helpful, if you have further questions feel free to reply back
Regards,
Marcelo