How to Fix Outlook Email Forwarding Errors

To fix Outlook email forwarding errors, first identify the correct account, file, device, or service context. The steps below isolate the cause and apply a result you can verify.

Identify the Message, Account, and Destination

Start by confirming whether the symptom affects one file, one device, one account, or the service itself. That distinction determines whether the next action belongs in the desktop app, the web portal, or an administrator console.

Quick Outlook Workflow

First, go to Microsoft Defender portal > Email & Collaboration > Review > Restricted Entities. Next, check whether the account might be compromised (unexpected sent items, inbox rules, or sign-ins), and verify the final state before changing any backup or secondary account.

Why This Can Happen

• The wrong personal, work, school, billing, or administrator account is selected
• A license, permission, connection, file rule, or local setting does not match the requested action
• Cached credentials or an incomplete synchronization or activation state hides the current server status
• The Microsoft service or application requires a more specific control than a generic restart

How to Fix Outlook Email Forwarding Errors

1. Go to Microsoft Defender portal > Email & Collaboration > Review > Restricted Entities
2. Check whether the account might be compromised (unexpected sent items, inbox rules, or sign-ins)
3. Reset the user’s password
4. Remove any malicious inbox rules or forwarding
5. Review sign-in activity and take any additional remediation steps
6. Go to the Microsoft 365 Defender portal → Restricted entities page (

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 does not replace the Outlook or Exchange mailbox control required for fixing Outlook email forwarding errors. Complete the mailbox, delivery, account, or server action in Outlook or the Microsoft 365 portal.

While you work on fixing Outlook email forwarding errors, 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 fixing Outlook email forwarding errors, 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.

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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

What should I verify before I go to Microsoft Defender portal > Email & Collaboration > Review >?

Go to Microsoft Defender portal > Email & Collaboration > Review > Restricted Entities. The available Send to OneNote behavior depends on Outlook and OneNote versions. Test one message first, then confirm whether each selected email creates a page or combines content.

Why is it important to check whether the account might be compromised (unexpected sent items?

Verify sender, recipients, sent date, subject, body, attachments, and the destination notebook or section. Confirm the account type, product version, ownership, and permissions before assuming the control is unavailable.

Can I safely test the step to reset the user’s password on a limited scope?

Not every Outlook voting or actionable-message workflow prevents a later change. The sender must use the capabilities supported by that message type or form. Keep the relevant backup or confirmation until you have checked the result.

What final check proves I was able to fix Outlook email forwarding errors?

Go to the Microsoft 365 Defender portal → Restricted entities page (. Reopen the affected app or portal and confirm that the expected status persists.