Outlook Email Backup Fix

I need help resolving an issue with my Outlook emails not being backed up. I'm currently using Outlook's built-in features for backup.

Additionally, I'm experiencing problems signing into Teams meetings.

Ideal Skills and Experience:
- Proficient in Outlook and its backup functionalities
- Experience with Microsoft Teams
- Strong troubleshooting skills for email and software issues

Please provide a solution to ensure my emails are backed up and assist with Teams sign-in problems.