Tech Tip of the Week, sponsored by CMA Technology Solutions: Protect your Microsoft Office 365 email data By From Our Partner - July 2, 2020 FacebookTwitterLinkedinEmailPrint Did you know that Microsoft is not responsible for backing up your Office 365 data? Once an email is deleted, it can only be recovered for 30 days. Unfortunately, after the 30-day holding period is up… Already an INSIDER? Sign in.