Microsoft Office 2019 Professional Plus – License Key for 5 PCs

Office Professional Plus 2019 for 5 PCs: one key, five full installations

Buying Office one computer at a time gets expensive and messy: five receipts, five keys to keep track of, and often five slightly different versions. This Office Professional Plus 2019 five-PC key solves that with a single 25-character license that activates the complete suite on up to five Windows 10 or Windows 11 computers. Every installation includes Word, Excel, PowerPoint, Outlook, OneNote, Access and Publisher, and every installation is a perpetual, one-time purchase with no subscription.

The pack is aimed at small businesses with a handful of desks, families with several laptops, schools and training rooms, and anyone who maintains a fleet of older Windows 10 PCs. It is also the natural choice when an office already runs Office 2019 on some machines and wants the rest on the identical version so that templates, macros and add-ins behave the same everywhere.

A frank note on lifecycle: Microsoft ended extended support for Office 2019 on October 14, 2025. The software keeps working and activating, but security updates have stopped. That is acceptable for secondary machines, training PCs and standardized older hardware; for the computers where your team opens outside email attachments every day, we recommend the Office 2021 Professional Plus for 5 PCs pack, supported until October 13, 2026, or an Office 2024 license with support until October 9, 2029.

Key features across all five installations

• Full seven-app suite on each PC: nothing is held back on the additional seats; every computer gets Access and Publisher as well as the core apps.
• Excel 2019: TEXTJOIN, CONCAT, IFS and SWITCH functions, funnel and map charts, and PivotTable improvements shared across every desk.
• PowerPoint 2019: Morph and Zoom, 3D models, 4K export, so presentations built on one PC look identical on the others.
• Outlook 2019: Focused Inbox and @mentions, connecting to Exchange, Microsoft 365, Outlook.com, Gmail and IMAP accounts.
• Word 2019: Focus mode, Learning Tools, translator and improved inking.
• One key to manage: a single license record in My Account, one email to file, and a simple count of activations used.
• Mixed bitness allowed: older PCs can run 32-bit while newer ones run 64-bit under the same key.

Because every seat runs the same build, documents move between machines without formatting surprises, shared templates work everywhere and your team learns one interface. Files remain compatible with Office 2016, 2021, 2024 and Microsoft 365, so exchanging work with clients on other versions is not a concern.

A few deployment habits make a five-PC rollout painless. Install the first computer completely, confirm activation, and copy your Normal.dotm template, Outlook signatures and Quick Access Toolbar settings before touching the next machine. Use the same bitness on every PC that shares Access databases or Excel add-ins, since 32-bit and 64-bit add-ins are not interchangeable. Write down which PC used which activation. And run Update Now once on each machine after activation so that all five are on the final released build of Office 2019; that is the build we recommend staying on, since Microsoft no longer publishes further patches.

Choosing between the 1-PC key, the 5-PC key and newer generations

The table compares this pack with the single-PC key of the same edition and with the five-PC versions of Office 2021 and Office 2016 that we also carry.

If you have exactly one computer, the Office 2019 Professional Plus 1-PC key is the simpler purchase. If two or more of your machines still run Windows 7 or 8.1, the Office 2016 Professional Plus for 5 PCs pack is the only full suite that installs on them. If the computers are current and used for daily work, spend a little more on the 2021 five-PC pack for ongoing security updates.

System requirements for each of the five PCs

Office Professional Plus 2019 has modest requirements, but every one of the five computers must meet them, and every one must run Windows 10 or Windows 11.

• Operating system: Windows 10 or Windows 11 (Home, Pro, Enterprise or Education), or Windows Server 2019 and later.
• Processor: 1.6 GHz, 2-core or better.
• Memory: 4 GB RAM (64-bit) or 2 GB RAM (32-bit).
• Storage: 4 GB free on each PC.
• Display: 1280 x 768; DirectX 9 or later with WDDM 2.0 driver for hardware acceleration.
• Internet access on each PC for download and activation; a Microsoft account is not needed for a Pro Plus key.
• No Microsoft 365, Office 2016 or Office 2021 Click-to-Run installation may remain on the PC; remove it before installing 2019.

Older machines that cannot be upgraded past Windows 8.1 are excluded. For those, see our Office 2016 listings, which are the newest Office versions that install on Windows 7 SP1 and 8.1. If your fleet is mixed, it is often cheaper to buy a five-PC 2016 pack for the whole group than to split purchases, provided the Windows 10 machines are comfortable running a slightly older Office. We are happy to help you count seats and pick the right pack before you order; a short email with your Windows versions is all we need.

Licensing explained: how a five-PC Office key works

Your Office Professional Plus 2019 key carries five activations. Install the suite from the Microsoft link on each computer, open an Office app, go to File, Account, Change Product Key, and enter the same key. Microsoft's servers count each activation; when the fifth is used, the key is fully consumed. The five PCs do not need to belong to the same person or the same network, and they do not need to be activated at the same time.

The license is perpetual: a one-time purchase that never renews and never expires. Transfer rules follow the license type shown in the Product Overview table at the top of this page. Retail-type licenses can be moved to replacement PCs after removal from the old ones; OEM-type licenses stay with the original hardware; volume (MAK) keys, which most multi-PC packs are, have a fixed activation pool intended for organizations and may need our help if a reinstall requires an additional activation. Keep the order email, since it is your proof of purchase and your record of the key.

Why buy this key from Software in Store

Software in Store is run by MAKERS UNITY LLC in Sheridan, Wyoming. We are an independent reseller and are not affiliated with or endorsed by Microsoft. We sell genuine keys, deliver them by email and back them with people rather than bots. With a multi-PC key, support matters more, because you may be activating machines weeks apart; we are available for all of them.

• Key delivered by email within minutes of payment, every day of the week, and saved under My Account.
• Official Microsoft download link, so every PC installs the same clean build from Microsoft.
• Installation guide written for multi-PC deployment, including how to track activations.
• 30-day money-back guarantee with replacement key or full refund if we cannot make an activation work.
• Support by a real person at support@softwareinstore.com 7 days a week, including phone activation assistance.

Learn more on our why trust us page. Our business address is printed on every page of the store, and the same small team that answers pre-sales questions handles activation issues after the sale, so you are never handed off to a ticket queue. If you are ordering for a business and need a receipt with your company details, ask and we will provide one.

Related products

Teams that mix platforms can match the generation on Apple machines with Office 2019 Home and Business for Mac. If some of the five users only need the core apps, an Office 2019 Home and Student key per PC may be enough. Need a diagramming or scheduling tool on one of the desks? Visio 2019 Professional and Project 2019 Professional install alongside Office 2019. See everything in our Office 2019 category.

Get Office Professional Plus 2019 for 5 PCs today

Order now, pay securely by card, Apple Pay or Google Pay, and within minutes you hold a genuine Office Professional Plus 2019 key with five activations, the Microsoft download link and a step-by-step guide. Roll it out to all five computers today or over the coming months; the 30-day money-back guarantee covers the pack. See how it works for what happens after checkout and our FAQs for activation and transfer questions.