Operating System
Command Centre
Your Microsoft workspace, finally organised.
One interface for mail, tasks, delegation, and matters — built on top of the Microsoft 365 tools your team already uses.
Unified mail & waiting-on queue
Tasks with delegation tracking
Daily briefing from your calendar
Matters, people & knowledge base
Quick-capture from anywhere
All your data stays in your Microsoft tenant.
OneDrive · Outlook · Microsoft To Do
Operating System
Command Centre
Sign in
Use your Microsoft 365 account to continue.
We use Microsoft OAuth. Your credentials never touch our servers — only your tenant ID and a scoped access token are stored.
Access is restricted to authorised SimplyClose accounts.