Nimbus Mail for Windows
A local IMAP client that stores mail on disk and keeps search inside the app.
Version 4.12.0 · Windows 10 / 11 · 64-bit · 61 MB
Scanned file · SHA-256 published below

A local IMAP client that stores mail on disk and keeps search inside the app.
Editorial description
Nimbus Mail is a email client for Windows 10 and 11. A local IMAP client that stores mail on disk and keeps search inside the app. This catalog page covers the current 4.12.0 installer we measured at 61.2 MB, including the SHA-256 published with the release.
In daily use it lets you read IMAP accounts, file messages, and search headers without a web tab. We noted plain-text compose is the default. Setup does not bundle extra toolbars. Exchange ActiveSync is not supported in this build.
Key features
Local search
Indexes subject and body on the PC, not in a cloud replica.
Plain-text default
New messages start as text unless you switch to HTML.
Screenshots
What's new
Nimbus Mail 4.12.0: current catalog build. plain-text compose is the default.
System requirements
Windows 10 or Windows 11, 64-bit, 200 MB free disk space, and a display of 1280×720 or higher.
How to install
Download Nimbus Mail with the labeled button on this page, verify the SHA-256, then run nimbus-mail-setup.exe. The installer does not change the default browser or search engine.
Pros
- Works offline after sync
- No advertising in the inbox
Cons
- No Exchange protocol


