Backup Calendar Outlook 2025 Calendar. Add your holidays calendar through outlook on the web to receive automatic updates when holidays are added or changed. If you have accidentally deleted a calendar from your outlook, you may be able to recover them depending on the situation.

Backups of your microsoft 365 calendar data ensure you can restore your calendar quickly and minimize downtime in case of accidental deletion, corruption, or ransomware. In this article, we will explore best practices for securing your office 365 calendars and ensuring data resilience through backup and restore mechanisms in.