Outlook alternative for Mac

The Outlook alternative for Mac that feels at home on both.

Outlook’s way of working with a design that fits macOS. Microsoft 365, Gmail, iCloud and IMAP in one fast, native app.

Native on Apple Silicon

Fast to launch and easy on the battery, on M-series and Intel Macs.

Microsoft 365 done properly

Sign in with Microsoft; drafts, folders and flags stay in sync with Outlook at work and on your iPhone.

iCloud, Gmail and more

All your inboxes in one place, each connected directly from your Mac.

Shortcuts both ways

Outlook shortcuts work out of the box, with ⌘ in place of Ctrl.

Keychain-backed

Passwords and tokens live in the macOS Keychain, never in a file and never on our servers.

Bring your own AI

Connect Claude, ChatGPT, Gemini or a local model through MCP or your own API key.

Between Apple Mail and Outlook for Mac

Apple Mail is light and well integrated, but many people who use Microsoft 365 at work miss Outlook’s folder handling, reading pane and shortcuts. Outlook for Mac has those, but it is a large app and is following the same direction as the new Outlook for Windows.

BoltSweep sits in between: Outlook’s way of working, Microsoft 365 support that works in strict corporate tenants, and a fast native app that respects macOS — the menu bar, the traffic lights, light and dark mode.

Made for people who switch between Windows and Mac

If you use Outlook on a Windows PC at the office and a Mac at home, BoltSweep gives you the same app, the same layout and the same shortcuts on both — and on Linux too.

Questions

Is BoltSweep available for Mac?+

Yes, BoltSweep runs natively on macOS for Apple Silicon and Intel, alongside Windows and Linux.

Does it work with Exchange and Microsoft 365 on a Mac?+

Yes. Sign in with your Microsoft account; BoltSweep reads mail over IMAP with OAuth and sends through Microsoft Graph.

Can I use it with iCloud Mail?+

Yes, using an app-specific password from your Apple ID settings.

Try BoltSweep early

Free for one account. Windows, macOS and Linux.