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Which Office? Which Windows? Which year? Six side-by-side comparisons, Microsoft's published lifecycle dates and plain-English guidance — the reference we use ourselves when a customer calls.

Last updated July 18, 2026

Lifecycle dates at a glance

"End of support" is the date after which Microsoft stops issuing security updates. The software keeps running and activating; it just stops being patched. For anything connected to the internet we recommend staying inside the supported window.

ReleaseReleasedMainstream endedSecurity updates endStatus
Office 2019 / Project 2019 / Visio 2019September 24, 2018October 10, 2023October 14, 2025Out of support
Office 2021 / LTSC 2021 / Project & Visio 2021October 5, 2021—October 13, 2026Supported
Office 2024 / LTSC 2024 / Project & Visio 2024October 1, 2024—October 9, 2029Current
Windows 10 (all editions)July 29, 2015—October 14, 2025 (ESU to Oct 2026 consumer / Oct 2028 business)Out of support
Windows 11October 5, 2021—Each annual release supported 24 months (Home/Pro)Current

Choosing an edition in 30 seconds

Office Home line — 2019 · 2021 · 2024

The home edition was called "Home & Student" until 2021 and simply "Office Home" from 2024. Same idea each time: the core apps, bought once, for one PC or Mac.

Feature Home & Student 2019 Home & Student 2021 Office Home 2024
Released September 2018 October 2021 October 2024
Security updates until Ended October 14, 2025 October 13, 2026 October 9, 2029
Apps Word, Excel, PowerPoint, OneNote Word, Excel, PowerPoint, OneNote Word, Excel, PowerPoint, OneNote
Outlook included No No No
Runs on Windows 10 · macOS (older releases) Windows 10/11 · macOS Windows 10/11 · the three latest macOS versions
Headline additions Morph & Zoom in PowerPoint, funnel charts, 2D maps, new inking tools XLOOKUP, dynamic arrays, Line Focus in Word, refreshed visuals Dynamic charts, new Excel functions, improved search, dark mode across apps
Licensed use Home / non-commercial Home / non-commercial Home / non-commercial
Devices 1 PC or Mac 1 PC or Mac 1 PC or Mac
Our verdict Lowest price; fine for a PC or Mac that mostly stays offline — no further patches The sensible middle: a year of updates left at a lower price Best value for a new computer; five years of updates
Price here (one-time) $89.99 PC · view $94.99 Mac · view $109.99 PC · view $114.99 Mac · view $126.99 PC · view $126.99 Mac · view

Dates are Microsoft's published lifecycle dates. "Security updates until" is the date after which Microsoft stops patching that version; the software keeps activating and working after it.

Office Home & Business — 2019 · 2021 · 2024

Home & Business is the home line plus Outlook, licensed for commercial use. It is the right choice for sole traders and small offices that live in e-mail.

Feature Home & Business 2019 Home & Business 2021 Home & Business 2024
Released September 2018 October 2021 October 2024
Security updates until Ended October 14, 2025 October 13, 2026 October 9, 2029
Apps Word, Excel, PowerPoint, Outlook, OneNote Word, Excel, PowerPoint, Outlook, OneNote Word, Excel, PowerPoint, Outlook (classic), OneNote
Runs on Windows 10 · macOS (older releases) Windows 10/11 · macOS Windows 10/11 · the three latest macOS versions
Headline additions Focused Inbox, Morph & Zoom, funnel charts XLOOKUP, dynamic arrays, Outlook instant search upgrades Dynamic charts, new Excel functions, better performance and accessibility
Licensed use Home and business Home and business Home and business
Devices 1 PC or Mac 1 PC or Mac 1 PC or Mac
Our verdict Out of support — only for legacy or offline machines Good value while Microsoft still patches it (to October 2026) Our best seller for small businesses
Price here (one-time) $149.99 PC · view $124.99 Mac · view $184.99 PC · view $174.99 Mac · view $228.99 PC · view $194.99 Mac · view

Dates are Microsoft's published lifecycle dates. "Security updates until" is the date after which Microsoft stops patching that version; the software keeps activating and working after it.

Office Professional Plus — 2019 · 2021 · 2024

Professional Plus is the fullest desktop line-up and includes Access. From 2021 Microsoft ships it as "Office LTSC" for organisations.

Feature Professional Plus 2019 Professional Plus 2021 Professional Plus 2024
Released September 2018 October 2021 October 2024
Security updates until Ended October 14, 2025 October 13, 2026 October 9, 2029
Apps Word, Excel, PowerPoint, Outlook, OneNote, Access, Publisher, Skype for Business Word, Excel, PowerPoint, Outlook, OneNote, Access, Publisher, Teams Word, Excel, PowerPoint, Outlook, OneNote, Access
Publisher Included Included Retired by Microsoft — not included
Runs on Windows 10 Windows 10/11 Windows 10/11
Headline additions Funnel charts, 2D maps, new inking, Morph & Zoom XLOOKUP, dynamic arrays, dark mode in Word, accessibility checker improvements Dynamic charts, new Excel functions, improved search, performance work
Licensed use Business Business Business
Devices 1 Windows PC 1 Windows PC 1 Windows PC
Our verdict Out of support — for workflows that still need Publisher Includes Publisher; supported to October 2026 The one to buy if you need Access on the desktop
Price here (one-time) $129.99 PC · view $154.99 PC · view $209.99 PC · view

Dates are Microsoft's published lifecycle dates. "Security updates until" is the date after which Microsoft stops patching that version; the software keeps activating and working after it.

Windows 10 & 11 — Home vs Pro

All four are full retail licences for one PC. The Pro editions add the management and security features IT departments ask for; Windows 11 adds the modern interface, a longer support runway and stricter hardware requirements.

Feature Windows 10 Home Windows 10 Pro Windows 11 Home Windows 11 Pro
Released July 2015 July 2015 October 2021 October 2021
Security updates until Ended October 14, 2025 (consumer ESU to October 2026) Ended October 14, 2025 (paid Extended Security Updates available) Current — in support Current — in support
Hardware requirements 1 GHz CPU, 2 GB RAM, 20 GB storage 1 GHz CPU, 2 GB RAM, 20 GB storage Supported 64-bit CPU, 4 GB RAM, 64 GB storage, TPM 2.0, UEFI Secure Boot Supported 64-bit CPU, 4 GB RAM, 64 GB storage, TPM 2.0, UEFI Secure Boot
BitLocker drive encryption Device encryption only (on supported hardware) Yes Device encryption only (on supported hardware) Yes, with full management
Remote Desktop (host) No Yes No Yes
Hyper-V & Windows Sandbox No Yes No Yes
Domain join & Group Policy No Yes No Yes
Maximum RAM 128 GB 2 TB 128 GB 2 TB
Snap layouts & refreshed Start No No Yes Yes
Microsoft account at setup Optional Optional Required Can use a local account
Free upgrade path To Windows 11 Home on supported hardware To Windows 11 Pro on supported hardware — —
Devices 1 PC 1 PC 1 PC 1 PC
Our verdict Only for family PCs that cannot run Windows 11 Only for work PCs that cannot run Windows 11 Right for a family PC or fresh home build Right for work laptops, remote access and encryption
Price here (one-time) $49.99 PC · view $69.99 PC · view $59.99 PC · view $79.99 PC · view

Dates are Microsoft's published lifecycle dates. "Security updates until" is the date after which Microsoft stops patching that version; the software keeps activating and working after it.

Project Professional — 2019 · 2021 · 2024

Desktop Project for Windows. Every Professional edition has Gantt charts, resource planning, baselines and reporting; newer releases add polish, security and a longer support runway.

Feature Project Professional 2019 Project Professional 2021 Project Professional 2024
Released September 2018 October 2021 October 2024
Security updates until Ended October 14, 2025 October 13, 2026 October 9, 2029
Runs on Windows 10 Windows 10/11 Windows 10/11
Gantt, Timeline & Board views Yes Yes Yes
Resource management & levelling Yes Yes Yes
Built-in reports & dashboards Yes Yes Yes
Connects to Project Server / Project Online Yes Yes Yes
Interface Office 2019 look Office 2021 look, accessibility improvements Office 2024 look, dark mode, performance work
Devices 1 Windows PC 1 Windows PC 1 Windows PC
Our verdict Lowest price; no further security patches Matches teams standardised on Office 2021 Longest support — the default choice for new installs
Price here (one-time) $129.99 PC · view $159.99 PC · view $199.99 PC · view

Dates are Microsoft's published lifecycle dates. "Security updates until" is the date after which Microsoft stops patching that version; the software keeps activating and working after it.

Visio Professional — 2019 · 2021 · 2024

Visio Professional adds the business, engineering and IT stencils (BPMN, UML, Azure, AWS, network and floor plans) plus data-linked diagrams on top of the Standard edition.

Feature Visio Professional 2019 Visio Professional 2021 Visio Professional 2024
Released September 2018 October 2021 October 2024
Security updates until Ended October 14, 2025 October 13, 2026 October 9, 2029
Runs on Windows 10 Windows 10/11 Windows 10/11
Professional stencils (BPMN 2.0, UML, network, Azure/AWS) Yes Yes Yes
Link shapes to Excel / SQL data Yes Yes Yes
Export to Power BI & Excel visuals Yes Yes Yes
Interface Office 2019 look Office 2021 look Office 2024 look, dark mode
Devices 1 Windows PC 1 Windows PC 1 Windows PC
Our verdict Lowest price; no further security patches Matches teams standardised on Office 2021 Longest support — the default for new installs
Price here (one-time) $149.99 PC · view $169.99 PC · view $199.99 PC · view

Dates are Microsoft's published lifecycle dates. "Security updates until" is the date after which Microsoft stops patching that version; the software keeps activating and working after it.

Glossary

TermMeaning
Perpetual / one-time licenceBought once, used indefinitely on one device. No renewal. What we sell.
Subscription (Microsoft 365)Paid monthly or yearly; apps stop working when payments stop. Includes cloud storage and multi-device installs.
Retail licenceA licence sold to an end customer that can be moved to a replacement device. All our keys are retail.
OEM licencePre-installed by the PC maker and tied to that machine. Cannot be moved. We do not sell OEM keys.
Volume licence (VL / MAK / KMS)Issued to organisations for their own devices. Keys resold from these agreements are the usual source of "too cheap" listings and are eventually blocked.
LTSCLong-Term Servicing Channel — Microsoft's name for the perpetual Office editions sold to organisations (Professional Plus 2021/2024).
Digital licenceWindows activation tied to your hardware and Microsoft account after the first activation, so reinstalls activate automatically.
Product keyThe 25-character code (5 groups of 5) you enter to activate. Keep it with your order e-mail.
End of supportThe date Microsoft stops releasing security updates for a version.
MPN / GTIN / SKUMicrosoft's part number, the retail barcode, and our internal reference — all shown on each product page. Explained here.

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