Microsoft Office Professional 2021 is a one-time purchase for Windows 10 and 11 — no subscription — and it includes Publisher alongside Word, Excel, PowerPoint, Outlook and Access. That makes it the option to choose if you want Publisher plus the rest of Office after Microsoft removes Publisher from Microsoft 365 in October 2026. Delivered by email within minutes.

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Microsoft Office Professional 2021 — Lifetime License

Excellent4.9

Microsoft Office Professional 2021 — With Publisher and Access

Name: Microsoft Office Professional 2021
Brand: Microsoft
SKU: MS-OFF-2021-PRO-1PC
Price: 139.00 USD
Availability: InStock
Rating: 4.9 (430 reviews)

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$337.99$169.00SAVE 50%

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Instant License Key Delivery by Email
Fast Support by Email and Live Chat
30-Day Money-Back Guarantee
Easy License Key Activation
No Hidden Fees

How do you install Office Professional 2021 with Publisher?

One installer sets up every app, Publisher included.

Choose 1, 2 or 3 PCs. The product key and the download link arrive by email within minutes.
Remove any Office on the PC first. Uninstall any Office already on the PC, the Microsoft 365 desktop apps included, and restart. Microsoft does not allow both on one PC. Uninstalling Office does not delete your documents or your email.
Install from the download link. Run the installer from the download link in your delivery email and let it finish.
Enter your key. Open Word, click "Enter product key instead" (or File > Account > Activate Product), type the key from your email once, then activate by telephone.
Open Publisher and your files. Publisher installs with the suite and opens your existing .pub files.

Office 2021 vs Office 2024 vs Microsoft 365

How the one-time suites compare with the subscription.

Compare	Office Professional 2021	Office 2024	Microsoft 365
How you pay	Once	Once	Monthly or yearly subscription
Publisher	Included	Not included	No: subscribers cannot access it after October 1, 2026
Word, Excel, PowerPoint, Outlook	Included	Included	Included
Microsoft support and security updates	Until October 13, 2026; keeps working after	Until October 2029	While you subscribe
On the same PC as the Microsoft 365 desktop apps	No: it replaces them on that PC	No: it replaces them on that PC	—

Before you buy Office Professional 2021

Three checks that decide whether the order goes smoothly.

It is for Windows 10 and 11 PCs. For a Mac, choose Office for Mac: Publisher and Access are Windows-only.
It replaces Microsoft 365 on that PC: Microsoft does not allow a one-time Office and the Microsoft 365 desktop apps on the same PC, so they are uninstalled first.
Microsoft's end-of-support date for Office 2021 is October 13, 2026: the apps keep working after it, without new security updates.

What you get with your order

Everything arrives by email, usually within minutes.

Your Office Professional 2021 product key and download link by email, usually within minutes.
Word, Excel, PowerPoint, Outlook, OneNote, Access and Publisher, installed together.
Activation on 1, 2 or 3 Windows PCs, depending on the option you choose.
A one-time purchase: no subscription and nothing to renew.
Support by email and chat, and a refund within 30 days if we cannot make the key work.

What does Microsoft say about Office 2021?

Each statement links to Microsoft's own page.

Microsoft's end-of-support date for Office 2021 is October 13, 2026: after it, Microsoft releases no further security updates for it. Microsoft Support: Microsoft Publisher will no longer be supported after October 2026
Microsoft 365 subscribers can no longer access Publisher after October 1, 2026; a one-time Publisher, like the one in Office Professional 2021, can still be installed and used, and your files edited. Microsoft Support: Microsoft Publisher will no longer be supported after October 2026

What’s Included?

This listing offers Microsoft Office Professional 2021 as a one-time perpetual license. Choose the option that matches the number of Windows PCs you need to activate.

Microsoft Office Professional 2021 — Lifetime License (1, 2, or 3 PCs)

One-time payment perpetual license for Windows 10 (64-bit, version 1909 or later) and Windows 11. The full professional suite, paid once and yours to keep:

✅ Microsoft Word — modern coauthoring, smart styles
✅ Microsoft Excel — XLOOKUP, dynamic arrays, sheet view, LET function
✅ Microsoft PowerPoint — modern stock media, ink replay, recording studio
✅ Microsoft Outlook — focused inbox, calendar, contacts
✅ Microsoft Access — relational databases (PC editions only)
✅ Microsoft OneNote — multi-section notebooks, cross-device sync
✅ Microsoft Publisher — newsletters, brochures, page layouts

Activates on 1, 2, or 3 Windows PCs depending on the option you select. No subscription, no expiry, no recurring fees.

What’s New in Office 2021

Excel Power-Ups

XLOOKUP, LET, and XMATCH functions for cleaner formulas
Dynamic arrays for faster, more readable calculations
Sheet view for filtering and sorting without disrupting collaborators

Modern Coauthoring

See edits from collaborators in real time across Word, Excel, and PowerPoint
Improved presence indicators and inline commenting

PowerPoint Improvements

Modern stock media library — royalty-free photos, icons, and stickers
Ink replay to record and play back drawing strokes
Recording studio with built-in narration and presenter view

Refreshed User Interface

Updated icons and lighter visual style across the ribbon
New visual themes available across the suite

Outlook + OneNote

Outlook search improvements and instant-search results
OneNote desktop app reunified with the Office suite

Improved Accessibility

Enhanced accessibility checker across Word, Excel, and PowerPoint
Better high-contrast and screen-reader compatibility

Why Choose This Listing?

✔ One-time lifetime license — no monthly or yearly fees
✔ Instant email delivery of your license key
✔ 30-day money-back guarantee if your key has any activation issue
✔ Friendly after-sales support by email and live chat

Let customers speak for us

4.9 out of 5from 430 reviews

Ordered office 2021 pro for my new pc

ordered office 2021 pro for my new pc. the 2021 version installed clean and activated fast. saved a fair bit compared to the microsoft store.

Zane U.

Read all 430 reviews for this product

Frequently asked questions

After checkout, check your email for the license key and activation instructions. The installer takes a few minutes; once finished, open any Office app to confirm activation.

It depends on the option you choose. The 1-PC license activates on one Windows computer. The 3-PC license covers three Windows PCs. The 5-PC license covers five. Each PC must be running Windows 10 (64-bit, version 1909 or later) or Windows 11.

One-time purchase. You pay once, with no monthly or annual fees, and Office 2021 keeps working on your PC. Microsoft's support for Office 2021, including security updates, ends on October 13, 2026; after that date it keeps working, without further updates.

Yes. Microsoft Office Professional 2021 is compatible with Windows 10 (64-bit, version 1909 or later) and Windows 11. A minimum of 4 GB RAM and 4 GB free disk space is recommended for the best experience. The Mac edition requires macOS 14 (Sonoma) or newer and runs natively on Apple Silicon (M-series) and Intel Macs. On an older Mac (macOS 10.15 Catalina or newer), Office Home & Business 2021 for Mac runs instead, with Word, Excel, PowerPoint, Outlook and OneNote. Neither edition installs on an iPad or iPhone.

Microsoft Office Professional 2021 includes Word, Excel, PowerPoint, Outlook, OneNote, Access, and Publisher. Access and Publisher are available on Windows only.

Both are perpetual one-time licenses. Office 2024 is the newer release with refreshed UI, AI-assisted features, and updated app capabilities. Office 2021 includes XLOOKUP, dynamic arrays, modern coauthoring, and is fully sufficient for most everyday productivity needs at a lower price point.

Keys are typically delivered within minutes of payment. Check your spam or junk folder first. If you still haven't received the key after 15 minutes, contact us at contact@formfy.ai with your order confirmation number and we will resend it promptly.

Yes. If your key has any activation issue, reply to your delivery email or write to contact@formfy.ai and we will help you resolve it. Our support team typically responds within a few hours.

We offer a 30-day return window. If the license key does not work and our support team is unable to resolve the issue, we will issue a full refund. Please see our Refund Policy for full details.

Microsoft Office 2021 supports many languages including English, French, German, Spanish, Italian, Portuguese, Dutch, Polish, and many others. You can switch the interface language from within the Office apps after activation — no separate language pack purchase is required for most major languages.

Office 2024 includes Word, Excel, PowerPoint, and Outlook, plus OneNote and Access on the Windows editions. The Mac edition includes Word, Excel, PowerPoint, and Outlook.

Each license covers the number of devices stated in the option you choose. If you need more installs, add the matching quantity at checkout: your order email states how many devices your purchase covers.

Yes. Office 2024 receives quality and security updates from Microsoft for the supported lifetime of the release. It is a perpetual license with a fixed feature set, not a subscription.

Yes. After activation the apps run fully offline. An internet connection is only needed once to activate and to download the installer.

Yes. You receive a genuine perpetual product key that activates directly with Microsoft.

We recommend removing older Office versions before installing 2024 to avoid conflicts. The installer will prompt you if anything needs changing.