Mailspring for PC: How to Download and Install on Windows (2026 Guide)

If your email lives in five browser tabs — work Gmail, a personal Outlook, an old Yahoo account — checking it all is a chore, and important messages get missed. Mailspring brings every account into one clean desktop app with a unified inbox, fast search and a modern interface that feels nothing like the clunky mail programs of the past.

This guide shows you how to download Mailspring for PC from its official website, install it on Windows 11 or 10, and connect your first accounts — with an honest breakdown of what the free version includes and what is reserved for the optional Pro subscription.

What Is Mailspring?

Mailspring is a desktop email client for Windows, macOS and Linux. It began life as a community continuation of the Nylas Mail project and has grown into a polished, actively developed app built by a small independent team. Its core is open source, and it works with virtually every major provider: Gmail and Google Workspace, Outlook.com and Microsoft 365, Yahoo, iCloud, and any standard IMAP account.

Unlike webmail, Mailspring runs as a proper desktop program with notifications, keyboard shortcuts and offline access to your mail. Unlike older desktop clients, it looks and behaves like a modern app, with conversation view, customizable themes and a unified inbox that merges all your accounts into a single stream — while still letting you view each account separately when you need to.

Key Features of Mailspring

Unified inbox: Read and search mail from all your accounts in one combined view, or focus on a single account.
Works with almost everything: Gmail, Outlook, Yahoo, iCloud and any IMAP server — most accounts connect in a couple of clicks.
Fast, powerful search: Full-text search with filters like sender, date and “has attachment” finds old mail in seconds.
Clean modern interface: Conversation view, dark mode and several themes, plus customizable layouts and keyboard shortcuts.
Signatures and templates: Create a proper signature for each account and reuse saved text for messages you send often.
Undo send safety net: A short delay before messages actually leave gives you a few seconds to undo the classic missing-attachment mistake.
Desktop notifications: Get proper Windows notifications for new mail without keeping a browser open all day.

System Requirements

Operating System: Windows 11 or Windows 10 (64-bit)
Processor: Any modern Intel or AMD CPU
RAM: 4 GB recommended; 2 GB minimum
Storage: Around 400 MB for the application, plus space for your local mail cache
Display: 1280×720 or higher
Internet: Required for the download and, naturally, for sending and receiving mail
Account: A free Mailspring ID (created during setup) stores your settings and syncs them between your computers

How to Download Mailspring (Official Method)

Mailspring is a well-known app, and installer copies float around third-party download sites where versions are outdated or bundled with unwanted extras. The free version from the developer has everything this guide describes, so there is no reason to go elsewhere. Download Mailspring only from the official website linked below.

Official Website: Download Mailspring from the official website

Step-by-Step Installation

Open the official Mailspring website linked above and click the download button for Windows.
Save the Mailspring installer to your Downloads folder.
Double-click the installer — Mailspring installs for your user account and usually needs no administrator approval.
Wait for setup to finish; Mailspring launches automatically when it is done.
Create your free Mailspring ID (or sign in if you already have one) — this syncs your settings, not your passwords.
On the “Connect an account” screen, choose your provider and sign in through that provider’s own secure window (for Gmail, this is Google’s official OAuth sign-in).
Repeat for any other accounts you want to add, then give Mailspring a few minutes to sync your mail the first time.

Tip: For Gmail and Outlook accounts, always complete sign-in inside the provider’s official window that Mailspring opens — your email password goes to Google or Microsoft directly, never into a third-party form.

How to Set Up and Use Mailspring for the First Time

Open the All Inboxes view from the left sidebar to see every account’s mail in one list, newest first.
Try the search bar: type a sender’s name, or use a filter such as “has:attachment”, to find a message instantly.
Click Compose, write a test email to yourself, and watch it arrive — then test Undo Send on the next one by clicking Undo within a few seconds.
Set up your signature: open Preferences → Signatures, pick an account, and add your name, role and contact details.
Personalize the look under Preferences → Appearance: choose a theme, enable dark mode if you like, and pick your reading pane layout.
Star or pin the threads that matter so they stay easy to find, and archive (rather than delete) mail you may need later.

Mailspring Free vs Pro: What Is the Difference?

Here is the honest split. The free version of Mailspring is a complete email client: multiple accounts, the unified inbox, fast search, signatures, themes and desktop notifications are all included, with no time limit and no message cap. For most home users, the free version is genuinely all they need.

Mailspring Pro is an optional subscription (billed monthly or yearly through the official website) that adds power features aimed at professionals: read receipts and link tracking so you know when mail is opened, snoozing messages to deal with later, send-later scheduling, follow-up reminders if someone does not reply, and rich contact profiles. None of these unlock basic reading or sending — they are productivity extras. Our advice: start free, and only consider Pro if you send a lot of business email where knowing it was read is worth paying for.

Frequently Asked Questions

Is Mailspring safe and legal to download?

Yes — from the official website linked in this guide. Mailspring is an established email client from its official developer, and account sign-in for Gmail and Outlook happens through the providers’ own secure (OAuth) windows. Avoid installer copies on unofficial portals, which may be outdated or bundled.

Does Mailspring work with Gmail and Outlook?

Yes. It supports Gmail and Google Workspace, Outlook.com and Microsoft 365, Yahoo, iCloud, and generic IMAP accounts. Most connect by simply signing in; custom IMAP accounts can be added with their server settings.

Is the free version of Mailspring enough?

For everyday email, yes. You get unlimited accounts, the unified inbox, search and signatures free forever. Pro only adds tracking, snooze, scheduling and reminder features for heavy business use.

Do I need a Mailspring ID?

Yes — setup asks you to create a free Mailspring ID. It stores your preferences and account configuration so they sync between your PCs. Your actual email stays with your email provider, and you sign in to each mailbox separately.

Conclusion

Mailspring is what desktop email should feel like in 2026: every account in one fast, tidy app, free for everyday use. Download it from the official website, connect your accounts through the secure sign-in windows, and enjoy an inbox that finally lives in one place.

Download Mailspring from the Official Website

Mailspring for PC: How to Download and Install on Windows (2026 Guide)