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Dev tools · November 4, 2026

Inbox Classic, a Outlook Express-like modern desktop mail client

A free, open source mail client for Windows 10 and 11 with the classic three-pane layout: folders, message list and reading pane. Works with Outlook.com, Microsoft 365, Gmail and any IMAP account. No ads, no tracking.

Inbox Classic, a Outlook Express-like modern desktop mail client launched on November 4, 2026 with 3 votes, #158 of 678 launches that month and more than 50% of that year's launches.

Visit inboxclassic.com ↗Alternativestop 23% of November 2026

What it does

Folders on the left, messages on top, the reading pane below. A fast, simple mail program for Windows with the layout you already know, and none of thefrom inboxclassic.com

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