docusign, findtime, grammarly, 2018june22office_b, add-ons, microsoft office 365, Office, office tabs, pexels, productivity, staffhub, translator 7 Must-Have Office 365 Add-Ons Microsoft Office 365 is one of the most successful and popular apps in the world, at 135 million commercial users and counting. To further boost user experience, it also offers a range of time-saving, productivity-boosting add-ons. LEARN MORE ♥146