To install publisher 2021 alongside Microsoft 365, use the correct account, product, permissions, and destination. This guide explains the supported workflow and the checks that confirm the result.
Confirm the License and Device Requirements
Confirm the owning account, required permissions, affected files or services, and the exact outcome you need. Keep a backup when the task changes local content or removes access.
Quick Installation Path
First, use the Microsoft 365 uninstall troubleshooter to completely remove Microsoft 365/Office from the PC. Next, run the uninstall support tool from the article “Microsoft 365 subscription features aren't available in Office apps” and follow the prompts, then restart the computer, and verify the final state before changing any backup or secondary account.
How to Install Publisher 2021 Alongside Microsoft 365

- Use the Microsoft 365 uninstall troubleshooter to completely remove Microsoft 365/Office from the PC
- Run the uninstall support tool from the article “Microsoft 365 subscription features aren't available in Office apps” and follow the prompts, then restart the computer
- Check that the computer meets the supported operating-system and hardware requirements for the Office edition
- Sign in at microsoft365.com with the account that owns the license and choose Install apps
- Run the downloaded installer, approve the system prompt, and keep the device online while setup completes
- Open Word or Excel, sign in with the licensed account, and allow activation to finish
- Open File > Account and verify the product name, update channel, and Activated Product status
After the final step, reopen the affected app, portal, file, or account page and confirm the exact status or behavior described in the title.
Use WPS Office for Related Work While Resolving This Microsoft Issue

WPS Office cannot install, remove, activate, or repair the Microsoft-specific product involved in installing Publisher 2021 alongside Microsoft 365. Use the official Microsoft installer, Windows settings, or the product vendor's supported setup path.
While you work on installing Publisher 2021 alongside Microsoft 365, WPS Office provides a free Microsoft Office-compatible workspace through Writer, Spreadsheets, Presentation, and PDF. It opens and saves common DOCX, XLSX, PPTX, and PDF files in a familiar interface, so related local work can continue without waiting for the Microsoft-side issue to be fixed.
For work related to installing Publisher 2021 alongside Microsoft 365, WPS AI can assist with drafting and rewriting in Writer, formulas and data insights in Spreadsheets, editable slide creation in Presentation, and summaries or document questions in PDF.
Test advanced macros, add-ins, external connections, sensitivity controls, and Microsoft-only cloud integrations on a copy before moving a critical workflow. WPS AI availability and usage limits can vary by plan, platform, region, and app version.
Practical Checks That Prevent a Repeat
- Record which account, app, and file owns the workflow
- Keep a verified backup before removing access, changing ownership, or replacing a local file
- Apply high-impact changes to one test item or user before expanding the scope
- Save confirmation numbers, dates, and screenshots of the final settings when they affect billing, security, or permissions
Frequently Asked Questions
Which account, file, or app should I use when I use the Microsoft 365 uninstall troubleshooter to completely remove?
Use the Microsoft 365 uninstall troubleshooter to completely remove Microsoft 365/Office from the PC. Use the Install apps control after signing in at microsoft365.com with the account that owns or receives the license.
What result should appear when I run the uninstall support tool from the article “Microsoft 365?
The device list is not always the installer source. Confirm the subscription under Services & subscriptions and install from the signed-in Microsoft 365 portal. Confirm the account type, product version, ownership, and permissions before assuming the control is unavailable.
What should I preserve before I check that the computer meets the supported operating-system and?
Compatibility depends on the Office version and operating system. Unsupported editions may install poorly and no longer receive security updates; use a supported alternative. Keep the relevant backup or confirmation until you have checked the result.
Where should I verify the final result after I install publisher 2021 alongside Microsoft 365?
Open File > Account and verify the product name, update channel, and Activated Product status. Reopen the affected app or portal and confirm that the expected status persists.




