Fix Started Throttling Sending Emails in Outlook on Windows

If your workflow is blocked, confirm the account and app context, then follow the ordered fixes below.

Problem Description: Started Throttling Sending Emails

Outlook Has Started Throttling (Not Sending) Emails Going to Other 365 Accounts is the issue affecting Outlook. The problem affects Send & Receive Issues and requires a focused, scenario-specific resolution.

Quick Answer for Resolving Send

Send & Receive Issues can originate from the mailbox service, Outlook profile, synchronization settings, rules, permissions, or network connectivity. Compare Outlook on the web with the desktop app before repairing the affected layer.

Likely Causes Behind Send & Receive Issues

• The Microsoft account or license context may not match the purchase or device.

• Cached credentials, outdated builds, or damaged local components can trigger send & receive issues.

• A file-specific corruption or add-in conflict can mimic a broader application failure.

Recommended Solution: Installing Outlook on a New PC

When to use this: Apply these steps when the symptoms match and you can access the relevant Microsoft account or administrator.

1. Test the mailbox in Outlook on the web to determine whether the issue is server-side or limited to the local profile.

2. Check connectivity, mailbox quota, service health, rules, permissions, and the affected folder.

3. Update Outlook, restart it, and test with add-ins disabled or a new profile when appropriate.

4. If the web version also fails, ask the Microsoft 365 administrator to review message trace, mailbox status, and Exchange settings.

Alternative Solutions for When Outlook Still Fails

1. Retry the Microsoft-side steps after restarting the app and device.

2. Test the same action in a private browser session or a new blank file to isolate account vs file issues.

3. Capture exact error text and screenshots before contacting Microsoft Support or your administrator.

Working with WPS Office: WPS Office for Local Document Work

WPS Office cannot replace Microsoft account, activation, or cloud fixes for this scenario. It remains one of the best free Microsoft Office-compatible alternatives for opening and editing local files.

1. Download and install WPS Office from the official website.

2. Open local Word, Excel, PowerPoint, or PDF files in the matching WPS app.

3. Save a working copy locally while Microsoft-side issues are resolved.

4. Return to Microsoft Office after the primary fix succeeds.

If you need a practical local workspace in the meantime, try WPS Office.

Prevention Tips for Safer Email Problems Habits

• Keep one primary Microsoft account for subscriptions and Office sign-in.

• Install updates for Office and Windows before retrying failed workflows.

• Back up important files before repair, reset, or reinstall actions.

• Document exact error messages before the next troubleshooting attempt.

FAQs About Common Send Answers

Can WPS Office fix this send & receive issues issue directly? Only when the WPS steps match the formatting or file task. Account, activation, and cloud issues stay on the Microsoft side.

Should I reinstall Outlook before trying these steps? Not first. Confirm account, license, and the exact error before reinstalling.

What should I send to Microsoft Support? The affected account email, device type, Office version, exact error text, and screenshots with personal data hidden.