Microsoft Outlook Calendar vs Tuta Calendar

Microsoft Outlook Calendar provides calendar and email access through web, desktop, and mobile apps, including iOS and Android. Outlook Free includes email and calendar, 15 GB of mailbox storage, 5 GB of cloud storage, and core security features such as spam filters. Shared calendars and video meeting support are listed. Outlook can connect Outlook.com, Gmail, Yahoo!, iCloud, and other mail services, and scans links and attachments for threats. Focused inbox, sweep, snooze, and flags help organize email, while access to Word, Excel, PowerPoint, and OneDrive files is also included. Copilot can draft messages and help adjust tone, length, and clarity, but in Outlook it currently works with outlook.com, hotmail.com, live.com, and msn.com addresses. Microsoft 365 Personal costs $9.99 a month, billed monthly, and includes 1 TB of storage and use on five devices. Personal, Family, and Premium offer a one-month free trial, and paid Microsoft 365 plans include ongoing support. Subscriptions renew automatically unless canceled in the Microsoft account.

Tuta Calendar organizes appointments, business meetings, and repeating tasks across Android, iOS, Linux, macOS, web, and Windows. It supports shared calendars with read-only, read-and-write, or write-and-manage-sharing access. Calendar events, invitations, sharing, and push reminders are described as end-to-end encrypted. Users can send and receive invitations, including password-protected encrypted invitations to external users. Imported calendars sync automatically across devices, while the listed calendar sync type is one-way. Tuta says reminders are hidden from the phone operating system and can arrive offline. The calendar is integrated with Tuta email and contacts. Security features include two-factor authentication; Tuta also describes its clients as open source and its calendar as using zero-knowledge architecture. The Free plan includes one calendar. Revolutionary costs €3 a month, billed monthly, and Legend costs €8 a month, billed monthly; both include unlimited calendars. Tuta is made by Tutao GmbH, based in Hannover, Germany, and founded in 2011.