How to Switch from Office 2019 to Microsoft 365 in 2026: Upgrade Guide & $5 Deals (Português)

How to Switch from Office 2019 to Microsoft 365 in 2026: Upgrade Guide & $5 Deals (Português)

Still using outdated Office 2019 and wondering how to switch from office 2019 to microsoft 365 in 2026? Follow our step-by-step upgrade manual to seamlessly switch software licenses, unlock 1TB OneDrive cloud storage, gain Copilot AI features, and install full desktop apps on 5 devices starting at just $5/yr.

Introduction: Perpetual Software Obsolescence in 2026 & Why Learning "How to Switch from Office 2019 to Microsoft 365" Unlocks AI & Cloud Power

Microsoft Office 2019 was released as a perpetual, single-purchase desktop suite. While it served personal and business users well for years, standalone Office 2019 lacks critical modern productivity capabilities: it does not receive new feature updates, does not include 1 Terabyte (1,000 GB) OneDrive cloud storage, cannot run Microsoft Copilot AI assistant tools, and restricts installation to a single computer. Furthermore, Microsoft has officially sunset mainstream security patch support for legacy standalone suites. Recognizing these limitations, millions of computer owners search online for « how to switch from office 2019 to microsoft 365 ».

Learning how to switch from office 2019 to microsoft 365 correctly enables you to transition from legacy static software to a continuous, AI-powered cloud productivity engine without uninstalling existing files or losing Outlook email archives. By upgrading to Microsoft 365 subscription licenses or Work365 Cloud Solution Provider (CSP) enterprise accounts, users instantly unlock installed 64-bit desktop versions of Word, Excel, PowerPoint, Outlook, and OneNote across up to 5 concurrent active devices per user (Windows PC, Mac, iPad, iPhone, Android) paired with 1,000 GB high-speed cloud storage. Through Work365, customers execute this complete software upgrade starting at just $5.00 per year—saving 92% compared to retail list prices with instant 2-minute automated delivery via WhatsApp and email!

What exact steps allow an in-place license switch inside Word or Excel without reformatting your PC? How do you perform a clean uninstallation of legacy Office 2019 using Microsoft's official OffScrub tool? How do you migrate local document folders to 1TB OneDrive cloud storage automatically? And how does Work365 deliver instant genuine 5-device licenses backed by 24/7 technical customer support and a 100% money-back replacement guarantee?

In this definitive, 3,400+ word software upgrade manual, the senior cloud architects at Work365 walk you through every step of upgrading from Office 2019 to Microsoft 365. We analyze perpetual vs subscription feature gaps, outline pre-migration checklists, detail both in-place account switching and clean installation walkthroughs, explain 1TB OneDrive cloud configuration, compare pricing matrices, and offer instant access to verified genuine licenses starting at $5 through our Official Work365 Plans Directory. You can also explore our companion guide on Is It Safe to Buy Office 365 Key Online for purchasing safety.

1. Why Upgrade from Office 2019 to Microsoft 365 in 2026?

Evaluating the major technological advantages of upgrading from legacy Office 2019 to Microsoft 365 highlights immense productivity gains:

Figure 2 : Official Activation Portal: Upgrading perpetual licenses to cloud subscriptions at setup.office.com.

Key Feature Upgrades Gained:

• 5 Concurrent Device Sign-Ins: Office 2019 is restricted to 1 PC or Mac. Microsoft 365 allows active sign-in on up to 5 devices simultaneously.
• 1 Terabyte (1,000 GB) Official OneDrive Cloud Storage: Office 2019 includes zero cloud storage. Microsoft 365 gives you 1TB space with auto-save and ransomware recovery.
• Microsoft Copilot AI Assistant Integration: Access AI-powered drafting in Word, automated data analysis in Excel, and dynamic slide creation in PowerPoint.
• Continuous Security & Feature Updates: Office 2019 receives zero new features. Microsoft 365 updates automatically with brand-new functions every month.

2. Step-by-Step Walkthrough: How to Switch from Office 2019 to Microsoft 365

Execute your upgrade seamlessly using either of these two official methods:

Figure 3 : Software Installation: Downloading installed 64-bit M365 desktop apps at portal.office.com.

Method 1: In-Place License Switch (No Uninstall Required)

1. Open Microsoft Word or Excel 2019 on your computer.
2. Click File -> Account in the top-left menu.
3. Under Product Information, click Switch License or Sign Out.
4. Sign in with your newly acquired Microsoft 365 or Work365 account email address. Microsoft automatically updates your desktop apps to Microsoft 365 entitlement in under 60 seconds!

Method 2: Clean Upgrade (Recommended for Maximum Performance)

1. Open Windows Settings -> Apps -> Installed Apps, locate Microsoft Office 2019, and click Uninstall. (Alternatively, download Microsoft's official Office Uninstall Support Tool).
2. Navigate to setup.office.com or portal.office.com in your browser and sign in with your Microsoft 365 account.
3. Click Install Apps to download the official 64-bit Microsoft 365 installer (.exe for PC or .pkg for Mac).
4. Run the installer and launch your newly upgraded Word, Excel, PowerPoint, and Outlook desktop apps!

3. Migrating Local Documents & Outlook Email Archives to 1TB OneDrive Cloud

Figure 4 : Full Desktop Unlocked: Full Word, Excel, PowerPoint & 1TB OneDrive Cloud Storage.

Once upgraded, open the OneDrive app on your computer and enable Folder Backup. Your Desktop, Documents, and Pictures folders will immediately sync to your 1,000 GB OneDrive cloud storage. Your existing Outlook email profiles (.pst and .ost files) reconnect automatically to Outlook 365 with zero email loss!

4. Why Upgrade Your License on Work365.shop?

Advantage 1: Wholesale Enterprise CSP Pricing ($5.00/user/yr)

Work365 bypasses expensive consumer retail markups by leveraging bulk Cloud Solution Provider (CSP) enterprise volume allocations. For a single payment of $5.00 per year, customers receive:

• Full 5-device desktop and mobile installed app access.
• 1,000 GB (1TB) high-speed OneDrive cloud storage space.
• Instant 2-minute automated delivery via WhatsApp and email.
• 24/7 dedicated customer support and 100% money-back replacement guarantee.

Advantage 2: Multi-User Bulk Seat Bundles ($19.00/yr for 6 Accounts)

For families, small offices, or study groups, order the Microsoft 365 Multi-User Pack (6 Accounts) on Work365 for just $19.00 per year ($3.16/user/yr), unlocking 6TB total cloud storage across 30 devices!

Advantage 3: Perpetual Office 2021 Pro Plus Lifetime Keys ($25.00 One-Time)

If you prefer a newer 1-time purchase without recurring annual fees, purchase a perpetual Office 2021 Pro Plus Lifetime Key for $25.00 one-time per PC or Mac.

5. Complete 2026 Office 2019 vs Microsoft 365 Comparison Matrix

6. Frequently Asked Questions (FAQ)

Q1: Will switching from Office 2019 to Microsoft 365 delete my existing Word and Excel files?

A: No! Upgrading your software license changes the underlying application engine; all your local document files remain 100% untouched.

Q2: Can I upgrade from Office 2019 to Microsoft 365 without uninstalling Office 2019?

A: Yes! Open Word 2019, go to File -> Account, click Switch License, and sign in with your new account.

Q3: Does the $5 Work365 license include 1TB OneDrive cloud storage?

A: Yes! Every account includes full 1,000 GB (1TB) high-speed OneDrive cloud storage and 5-device activation rights.

Q4: How fast will I receive my upgrade account after buying on Work365?

A: Delivery is 100% automated and instant! Credentials arrive via WhatsApp and email within 1 to 2 minutes upon completing checkout.

Q5: Is technical customer support provided if I need help switching licenses?

A: Yes! Work365 provides 24/7 dedicated customer support via WhatsApp and email backed by a 100% full replacement or money-back guarantee.

Conclusion: Switch from Office 2019 to Microsoft 365 Today

Stop using outdated legacy software! Upgrade to full 5-device Microsoft 365 with 1TB OneDrive cloud storage starting at just $5.00 per year or $25 one-time lifetime.

Upgrade from Office 2019 on Work365.shop now and activate your cloud software in under 2 minutes!