Android - Disable Outlook Contact Sync
1. Tap Settings icon & tap Accounts and Backup.
2. Tap Managed accounts.
3. Tap Work (bottom left) & then tap Outlook account.
4. Tap Sync account & toggle off contacts.
5. The Outlook account should be removed.
6. Navigate to Outlook app & tap Account icon (top left).
6. Tap Gear icon.
7. Tap your Account under Mail accounts.
8. Tap Sync contacts toggle to disable.
9. Tap Disable.