Simson Desk
Install latest/stable of Simson Desk
Ubuntu 16.04 or later?
Make sure snap support is enabled in your Desktop store.
Install using the command line
sudo snap install simson-deskDon't have snapd? Get set up for snaps.
Details for Simson Desk
Package name
- simson-desk
License
- Proprietary
Last updated
- 23 August 2026 - latest/stable
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Email, calendar and tasks for Microsoft 365 and IMAP
Simson Desk is a desktop email, calendar and task client. It works with Microsoft 365, signing in with your Microsoft account, and with any mailbox that speaks IMAP and SMTP — Google Workspace, Zoho, Titan and most business hosts. It keeps a local copy of your mail so it stays fast and readable offline.
- Mail with conversation threading, rules, folders and multi-select
- Calendar and Microsoft To Do tasks
- Address book built from your contacts, your organisation's directory and the people you actually write to
- Remote images blocked until you allow them; links open in your browser
- Save attachments, and save a message as .eml, .html or .pdf
- Colour themes that can change by day or between working and off days
- The local copy encrypted at rest, with the key held in your system keyring
- Locks itself when left idle, and needs a fresh sign-in to reopen
One step after installing, until the store grants it automatically:
sudo snap connect simson-desk:password-manager-service
That is what lets Simson Desk keep your sign-in in the system keyring. Without it there is nowhere to put your tokens and the app asks you to sign in on every launch. Everything else connects on install.
Privacy policy: https://simsondesk.com/privacy/email-client
Simson Desk is an independent client and is not affiliated with or endorsed by Microsoft.
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The build and commit information is derived from build infrastructure records.
Install Simson Desk on your Linux distribution
Choose your Linux distribution to get detailed installation instructions. If yours is not shown, get more details on the installing snapd documentation.
