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Microsoft Office 2021 Professional Plus – Volume License for 1 PC | Instant Download

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11,90 € -70%
39,99 € You save: 28,09 €
incl. VAT
Product key instantly via email
100% legal & unused license
Support guarantee on activation
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  • Availability: Sent by email immediately after payment
  • Brand: Microsoft
  • Article number: 439947
  • Express delivery: Directly after purchase via email
  • Download guide: included in the confirmation email
  • One-time payment: no recurring fees
  • Legally verified: GDPR compliant & German T&Cs
  • Customer service: German · available 24/7

Microsoft Office 2021 Professional Plus

Buy Microsoft Office 2021 Professional Plus – Volume License with Instant Download for 1 PC

Microsoft Office 2021 Professional Plus as a volume license with unlimited duration for a single Windows PC. Word, Excel, PowerPoint, Outlook, Access, Publisher, OneNote and Teams – buy once instead of subscribing monthly. No cloud requirement, no hidden costs.

Instant delivery of the Office 2021 Pro Plus product key by email after payment is received. Includes a download link to the original Microsoft installation file, a step-by-step guide, and a proper invoice showing 19% VAT.

At Karinex you receive German-language support, a 100-day money-back guarantee on unactivated product keys, and a perpetual license with no subscription commitment.

License type

Volume license, perpetual license

Platform

Windows 10 / 11 (64-bit)

Duration

Perpetual license, no subscription

Delivery

Instant by email

Note on the license type

This item is a volume license for Microsoft Office 2021 Professional Plus, not a retail or FPP product. Delivery is purely digital by email – no DVD, no packaging. Microsoft originally distributes Office Professional Plus 2021 exclusively through Volume Licensing programs. The resale of such licenses within the EU is permitted under the exhaustion principle (CJEU C-128/11 "UsedSoft/Oracle", 03/07/2012). By purchasing, you confirm that you are informed about the nature of this license.

Why buy Office 2021 Professional Plus at Karinex

01
Original Microsoft product key – activatable via the official Microsoft activation servers, verified license origin.
02
Instant delivery in under 5 minutes – Office 2021 Pro Plus license key by email directly after payment is received.
03
100-day money-back guarantee on unactivated product keys – risk-free purchase.
04
German-language Karinex support for installation and activation – by phone, email, WhatsApp and live chat.
05
Proper invoice with 19% VAT – tax-deductible for the self-employed and businesses.
06
Secure payment – Klarna, credit card, SEPA, giropay and purchase on account for business customers.

What's included with your Office 2021 Professional Plus license

01
Original product key for Microsoft Office 2021 Professional Plus, digital delivery by email
02
Download link to the Office 2021 Pro Plus installation file (Microsoft original image, 32-/64-bit)
03
Step-by-step installation and activation guide in German
04
Proper invoice showing 19% VAT, tax-deductible
05
German-language Karinex support for installation and activation
06
100-day money-back guarantee on unactivated license keys

There is no physical delivery. You will not receive a DVD, any packaging material or a product box.

What's new in Microsoft Office 2021 Professional Plus

Office 2021 Pro Plus brings significant improvements over Office 2019 and earlier versions.

XLOOKUP in Excel

More powerful and flexible than VLOOKUP – finds data in any direction

Dynamic arrays

One formula returns multiple results – FILTER, SORT, UNIQUE

Co-authoring

Simultaneous editing of Word and PowerPoint documents as a team

New slide transitions

Improved animations and Morph effects in PowerPoint 2021

Dark Mode

Eye-friendly display across all Office 2021 applications

Improved search

Microsoft Search scans documents, emails and contacts faster

ODF 1.3 support

Full compatibility with OpenDocument formats in Word and Excel

Better performance

Faster program startup and smoother work compared to Office 2019

Included Office applications

Microsoft Office 2021 Professional Plus includes all the essential Microsoft applications for professional use on Windows.

Word 2021

Professional word processing with modern layout features

Excel 2021

Spreadsheets, pivot tables, data analysis with XLOOKUP

PowerPoint 2021

Presentations with new animations and Morph transitions

Outlook 2021

Email, calendar, contact management and tasks

OneNote

Digital notes and knowledge organization

Access 2021

Database management – available on Windows only

Publisher 2021

Layout, flyers, brochures and publications

Teams

Communication and online collaboration

Office 2021 editions compared

Which Microsoft Office edition fits your needs?

Office 2021 Professional Plus
Word, Excel, PowerPoint, Outlook, Access, Publisher, OneNote, Teams – volume license with perpetual license
Word, Excel, PowerPoint, Outlook – without Access and Publisher
Word, Excel and PowerPoint only – cheapest edition
Subscription model with monthly or annual costs

System requirements for Office 2021 Pro Plus

Operating system
Windows 10 or Windows 11 (64-bit recommended)
Processor
1.6 GHz dual-core, 64-bit compatible
Memory
at least 4 GB (8 GB recommended)
Hard disk
at least 4 GB of free space
Internet
required for download and activation

Install Office 2021 Pro Plus – guide in 5 steps

01
Check your email – you receive the product key and download link after payment is received.
02
Download Office – via the included link from Microsoft servers.
03
Start the installation – follow the installation wizard.
04
Enter the product key – enter the key you received by email.
05
Activate – connect the PC to the internet for activation.

Karinex customer support

Service hours
Mon–Fri, 10:00–18:00
Channels
Phone · WhatsApp · Email · Live chat
Language
German

Frequently asked questions

What do I get after the purchase?

You receive by email the Office 2021 Pro Plus product key, a download link, an installation guide in German, and an invoice with VAT.

Is this a perpetual license?

Yes. Office 2021 Pro Plus is a purchase version with a perpetual license – without a Microsoft 365 subscription.

How fast is delivery?

Within a few minutes by email after payment is received. For bank transfers, 1–2 business days.

On how many PCs can I install it?

This license is intended for activation on one PC.

Does it work on Mac?

No. This license is exclusively for Windows 10 and Windows 11.

Is reselling legally permitted?

Yes. The CJEU ruling C-128/11 "UsedSoft/Oracle" of 03/07/2012 confirms the resale of software licenses within the EU.

What about the right of withdrawal?

Upon activation of the key, the right of withdrawal expires (§ 356 (5) BGB). For unactivated keys, a 100-day money-back guarantee applies.

Further recommendations

Not sure whether Office 2021 Professional Plus is the right choice? Here you'll find suitable alternatives from our range.

Microsoft Office 2021 Home & Business

Mid-range edition for the self-employed – Word, Excel, PowerPoint, Outlook, without Access and Publisher.

Microsoft Office 2021 Home & Student

Cheapest edition – Word, Excel and PowerPoint only, ideal for home users.

Microsoft 365 Personal

Subscription model with cloud storage and automatic updates – for users who always want the latest version.

Microsoft Windows 11 Pro

Compatible operating system for Office 2021 – perpetual license with security updates.

Legal notes

License type. Volume license for Microsoft Office 2021 Professional Plus with unlimited duration (perpetual license).

Delivery form. Exclusively digital by email, no physical delivery.

Legality. Trade permitted under CJEU C-128/11 "UsedSoft/Oracle" (03/07/2012) and the exhaustion principle.

Trademark rights. Microsoft, Office and all programs are registered trademarks of the Microsoft Corporation. Karinex acts as an independent dealer.

Money-back guarantee. 100 days on unactivated product keys in addition to the statutory warranty.

NO SUBSCRIPTION

One-time payment, no hidden costs

Instant download

Available immediately after purchase

  • Instant download after purchase
  • 100% legal & original license key
  • Perpetual license – no subscription, no monthly fees
  • Easy online activation with guide
  • Manufacturer: Microsoft
  • Product type: Office Software / Office Programs / Productivity
  • Kompatibles Betriebssystem: Windows
  • Internetverbindung für Download & Aktivierung
  • Ausreichender freier Speicherplatz
  • Details siehe Produktbeschreibung

Ready to go.

100% legal license keys delivered by email within seconds. Instant download & activation with German support. Legally verified.

Frequently Asked Questions

Quick answers about Microsoft licenses

How quickly will I receive my license key?

Instantly. Right after your payment is confirmed, your product key is automatically generated and delivered by email within 30–60 seconds – including the download link and a step-by-step guide.

Are the licenses original and legal?

Yes, 100%. We sell exclusively original, unused Microsoft keys under the EU principle of exhaustion (CJEU ruling C-128/11) – legally resalable and certified for permanent use.

What if the activation does not work?

You get a free replacement key – as many times as needed until activation succeeds. Our German-speaking support helps via email, WhatsApp or live chat – usually within 10 minutes.

Does the license expire at some point?

No. It is a perpetual license with no subscription, no recurring fees and no time limit. Buy once, use forever.

Will I receive a VAT invoice for my accounting?

Yes. A PDF invoice with separately listed VAT (19%) is automatically sent with your license key – fully deductible and GoBD-compliant.

How is the money-back guarantee regulated?

For unactivated digital licenses we refund the full purchase price within 100 days. Activated keys are excluded from refunds under § 356 (5) of the German BGB.

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