Confidesk

Confidesk for desktop

Download the desktop app

macOS

Apple Silicon only
(M1, M2, M3, M4 and later)

Download for Mac

.dmg · 13 MB · macOS 11 or later

Linux

64-bit and ARM
Debian, Ubuntu, Fedora and others

Download for Linux

.deb, .rpm or AppImage

Windows

64-bit and ARM
Windows 10 and 11

Download for Win

.exe · 10 MB · ARM version

Before you download

  • The desktop app works on every plan, Free included. Connecting your other mailboxes in it needs Pro or Advanced. The web app is always available to everyone.
  • On Linux, pick the package your distribution uses: .deb for Debian, Ubuntu and Mint, .rpm for Fedora, RHEL and openSUSE. The AppImage runs anywhere else without installing. Most machines are 64-bit (x86_64); choose ARM only if you know yours is, such as a Raspberry Pi or an ARM virtual machine. uname -m tells you.
  • On Windows, the installer is signed by Confidesk Limited. Windows verifies the publisher when it runs. Most machines are 64-bit; pick ARM only if you know yours is, such as a Surface Pro X or a Copilot+ PC.
  • On a Mac, this build runs on Apple Silicon only. If your Mac has an Intel processor it won't run. Use Confidesk in your browser instead. Not sure? Apple menu → About This Mac: if it says Apple M1 (or M2, M3, M4), you're on Apple Silicon.

Installing

macOS: open the downloaded .dmg and drag Confidesk to your Applications folder.

Debian, Ubuntu, Mint: sudo apt install ./Confidesk-R2026103015-amd64.deb (or double-click the file). Installs as confidesk and appears in your applications menu.

Fedora, RHEL, openSUSE: sudo dnf install ./Confidesk-R2026103015-x86_64.rpm.

Windows: run the downloaded .exe.

AppImage: no installation needed. Run chmod +x on the file and run it. On Ubuntu 22.04 and later you may need sudo apt install libfuse2 first, which AppImages rely on.

All Linux downloads

Package64-bit (x86_64)ARM (aarch64)
.deb
Debian, Ubuntu, Mint		 Download 15 MB Download 16 MB
.rpm
Fedora, RHEL, openSUSE		 Download 15 MB Download 16 MB
AppImage
Any other distribution		 Download 117 MB Download 119 MB

All Windows downloads

Installer64-bit (x64)ARM (ARM64)
.exe
Windows 10 and 11		 Download 10 MB Download 8 MB

SHA-256: x64 cff21a12e02141848bc3c6e5a6e192b5ee66c9091e09263c616a79170ba4f410, ARM64 599b3976540ad2a420f5cbf4b65f8f9c424b0d89685cda1807ed69fad33a86a0. Both are signed by Confidesk Limited.

What the desktop app adds

  • Search your mail: full text, across everything stored on your device. This can't exist in the browser: the index would have to be written to disk, leaving a decrypted copy of your mailbox behind on the machine.
  • Works offline: read and write with no connection; it syncs when you're back.
  • Your other mailboxes: connect any IMAP or POP account alongside your Confidesk mail.

The app checks for updates itself, so once you're installed you'll be told when a new version is out.