Microsoft Office 2021 Home & Business vs. Professional: Key Differences

Office 2021 Business vs Professional: the same Word, Excel, PowerPoint, Outlook and OneNote in both, and Professional adds only Access and Publisher. Office 2021 Home & Business vs Professional looks like a big choice. It comes down to two programs most people never open. Both are one-time licenses for one PC.

• Home & Business 2021: the five shared apps, as a PC or a Mac version.
• Professional 2021: those five plus Access and Publisher. Windows only.
• Either one: fine for commercial use, one device per license.

Both editions share five apps with identical features. Professional adds Access and Publisher, on Windows only.

If you never build databases or lay out print brochures, we’d take Home & Business. Both are licensed for business use.

Office 2021 Home & Business vs Professional at a glance

That’s the whole difference. Two apps, one platform restriction and a higher price tag for Professional.

Everything else matches: a one-time license, one PC, commercial use rights. The rest of this page is about whether those two apps matter to you.

The shared apps are the same builds

Word, Excel and the other three shared apps don’t differ between the editions. The features are the same too.

The Professional label doesn’t bring extra spreadsheet functions, better email or more templates. It only adds Access and Publisher.

This surprises people. A common assumption says “Professional” brings a more capable Excel for heavy client spreadsheets. It doesn’t.

The workbooks behave exactly the same in Home & Business. If your work happens in the five shared apps, the label buys you nothing extra there.

For the full list of what the 2021 release added over the previous one, see our Office 2019 vs 2021 comparison.

Who really needs Access

You need Access if you build or run a desktop database. If nobody in the business opens .accdb or .mdb files, you don’t. Home & Business is enough then.

The usual databases in a small office:

• Customer and inventory records.
• Booking systems.
• Small order-tracking apps with forms and reports.
• Tools a previous employee built in Access years ago.

Access 2021 works as a relational database with a visual designer.

Picture a patient recall list kept in an Access file built a decade ago. Without Access on the front-desk PC, nobody can open it.

So that one seat gets Professional, and the other PCs get Home & Business. Mixing editions like that is perfectly fine.

Before buying, search the shared drives for *.accdb and *.mdb files. If the search comes back empty and nobody mentions an “old database”, we’d skip Professional.

Publisher in Office 2021 Professional today

For most buyers it isn’t worth it. Publisher is gone from Microsoft 365. The 2024 suite doesn’t include it either.

Publisher 2021 still opens and edits .pub files on a PC where it’s installed. We’d still plan to move publications to Word, PowerPoint or a dedicated layout tool.

Publisher was always the niche app of the suite.

• Newsletters.
• Flyers.
• Menus.
• Business cards.

A sensible move away starts with exporting every live template to PDF. Then rebuild the most used ones in Word or PowerPoint.

If Publisher alone is your reason for buying Professional, keep one thing in mind. Microsoft has left it out of its newer suites.

Commercial use with Office 2021 Home & Business or Professional

Yes, both editions permit it. You can run a business, invoice clients and do paid work with either.

The edition that forbids commercial use is Home & Student 2021. It also lacks Outlook.

That restriction, and not Access, is why small businesses skip Home & Student.

Freelancers often buy Home & Student to save money and then run client work on it. That breaks the license terms. If the PC earns money, we’d treat Home & Business as the minimum.

Professional and the Mac

Professional 2021 runs on Windows only. Access and Publisher never existed for macOS.

Mac users who need a business license choose Office Home & Business 2021 for Mac.

Keep Mac installs updated. We’d run Microsoft AutoUpdate from Help, Check for Updates. Microsoft covers the steps on its page about updating Office on macOS.

Office 2021 Home and Business vs Professional Plus

Professional Plus is the third name in the same search. Four 2021 editions side by side:

So Professional Plus sits one step above Professional. Same Access, same Publisher. Microsoft built it for volume licensing, where admins deploy with Click-to-Run and activate through KMS or MAK.

Teams? The volume edition of 2021 no longer ships the Teams client. Existing installs keep theirs.

32-bit or 64-bit? Both exist. Microsoft recommends 64-bit on a PC with 4 GB of memory or more, and our Office 32 bit vs 64 bit guide covers the exceptions. The app list comes from Microsoft’s Office LTSC 2021 overview.

Need Access on a single Windows PC? Professional Plus covers it. Our Office 2021 Professional Plus key, instant to email. Wondering about Standard? That one has its own Office Standard vs Professional page.

Office 2021 vs Office 365 for the same small office

A different decision, really. Office 2021 is paid once and keeps its 2021 features. Microsoft 365? A subscription. New features keep coming, cloud storage too, counted per user rather than per device.

Few PCs, stable work, no wish to pay every year? A 2021 license fits. Lots of shared files and remote staff tilt it the other way. We ran the numbers in our Microsoft 365 vs Office 2024 comparison. What changed since 2021 sits on the 2021 vs 2024 page.

How the licenses work

Both editions use the same license model: a one-time purchase with no subscription and no expiry. It covers one PC, or one Mac for the Mac edition.

You activate Office 2021 online once and link the product to a Microsoft account. After that the apps work offline.

Neither license includes upgrades to future Office versions.

Office Professional Plus 2021 is sold as a separate product, often alongside these two. It contains the same desktop apps as Professional, both extra ones included.

Businesses that standardize on one suite for every seat commonly buy it.

Which one to choose

Pick Home & Business if your work happens in documents, spreadsheets, slides and email. That typically fits small businesses and freelancers.

Pick Professional only if you must open or build Access databases, or keep editing existing Publisher files on Windows.

On a Mac, Home & Business is the only business option.

Mixed setups work too. Put Professional on the one PC that runs the database and Home & Business everywhere else. Files open the same way across editions.

Need a key? Our Office 2021 Professional Plus key comes as a genuine license. Access and Publisher are included. Delivery is instant to email.

A quick check before you buy

• Search the shared drives for Access files.
• Ask who still opens Publisher files.
• Count the Macs. Professional can’t go on them.
• Count the computers that earn money. Each one needs its own license.
• Look at what’s installed now under File, Account.

How to check which edition is installed

Open any Office app and read the name under Product Information.

1. Open Word or Excel.
2. Select File, then Account.
3. Read the edition name under Product Information. Check that it says Product Activated.
4. Select About Word to see the exact version and build number.

It shows Office Home & Business 2021, Office Professional 2021 or another edition, plus the activation state.

Seeing Access in the Start menu tells you it’s one of the two Professional editions.

If the edition doesn’t match what you paid for, don’t reinstall over it. Remove the existing Office first, with the Office uninstall tool if needed. Then we’d install from the download link tied to your key. That activates the right edition.

Our Office 2021 installation guide covers download, install and activation for either edition.

Common mistakes when choosing Office 2021 Home & Business or Professional

• Buying Professional for a “better Excel”. The Excel is identical.
• Buying Home & Student for paid work. That breaks the license terms.
• Ordering Professional for a Mac. It doesn’t exist for macOS.
• Buying Professional for Publisher alone. Newer suites leave it out.
• Putting one license on two computers. One license covers one device.
• Reinstalling over the wrong edition. Remove it first.

Related guides

• Microsoft Office 2016 Home and Business
• Office Standard vs Professional

Terms used on this page

Typical Office 2021 Business vs Professional mix-ups

An old Access database found after buying Home & Business

Home & Business on every desk, then an old stock database turns up. No Access, no .accdb. One seat gets Professional or Professional Plus. The rest stay as they are, mixing is fine.

Expecting a stronger Excel in Professional

Not a thing. Excel is the same build in both editions, so heavy spreadsheets run exactly the same. Professional’s extra icons are Access and Publisher. Nothing else.

Ordering Professional for a MacBook

It can’t install there. Windows only, because Access and Publisher never came to macOS. The Mac edition of Home & Business is the one that fits.

Paid work on Home & Student

Two problems at once. No Outlook, and the license doesn’t cover commercial use. Home & Business solves both.

A different edition shown under File, Account

Usually an older install still sitting on the PC. Remove it first, then install from the link tied to the key. After that the name matches what was paid for.