Contacts Manager

View, clean up and de-duplicate your Microsoft 365 contacts. Changes sync to your phone and Outlook.

Your contacts go straight between this browser and Microsoft 365. Backups stay on your PC. This app stores nothing online. Privacy · Set up for your organisation

Exact = same name and a shared phone number or email. Others need a check: pick the contact to keep, preview the result, then merge. Merged-away contacts go to Deleted Items.

Everything changed in this session. It's also saved inside every backup made after the change.