Email Sync Problems

How to Fix Ghost To-Do Tasks and Incorrect Counters in Classic Outlook

Maira Mehtab Sep 29, 2026 869 views

Question details

The user needs to resolve a phantom task count and an incorrect 'All' counter in classic Outlook that does not align with the web version.

How to Fix Ghost To-Do Tasks and Incorrect Counters in Classic Outlook

Product: Classic Microsoft Outlook
Device & OS: not provided
Scenario: Managing email tasks and viewing task counters within the classic desktop email client.
Observed behavior: A ghost to-do task and an incorrect 'All' counter appear in classic Outlook, but these discrepancies do not show up on Outlook on the web or other synced devices.

Before you start

Ensure you are connected to the internet and verify that your task lists are displaying correctly in Outlook on the web before modifying your local desktop settings.

Solution 1

Clear the Outlook RoamCache Folder

Clearing the local cache forces Outlook to redownload synchronization data from the server, which can resolve discrepancies in task counters.

Because the issue occurs only in one classic Outlook installation while cloud services show the correct data, the local cache is highly likely to be the culprit. Renaming or clearing this cache is a safe first step.

Sign out and close Outlook

Sign out of your account if applicable, and completely close the classic Microsoft Outlook application.

Navigate to the Outlook directory

Press the Windows Key + R to open the Run dialog. Type '%localappdata%\Microsoft\Outlook' and press Enter.

Rename the RoamCache folder

Locate the folder named 'RoamCache'. Right-click it and select Rename. Change the name to 'RoamCache_old' so Outlook is forced to create a fresh cache upon restarting.

Restart Outlook

Open Outlook again. Allow a few minutes for the application to sync with the server and check if the phantom task count has disappeared.

Solution 2Recommended

Create a New Outlook Profile

If clearing the cache does not resolve the issue, a corrupted Outlook profile might be causing the sync error. Creating a new profile establishes a fresh connection to your cloud data.

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Frequently Asked Questions

Why does my Outlook task counter show ghost tasks?

Ghost tasks usually occur when there is a local cache corruption or synchronization failure. The classic Outlook desktop client fails to update its local database to match the accurate data stored on the cloud server.

Where is the Outlook RoamCache folder located on Windows?

The RoamCache folder is typically located in your AppData directory. You can find it by navigating to %localappdata%\Microsoft\Outlook\RoamCache in the Windows File Explorer.

Will creating a new Outlook profile delete my existing emails?

No. As long as you are using an Exchange, IMAP, or Outlook.com account, your emails, calendars, and tasks are safely stored on the server. Creating a new profile simply redownloads this information to a fresh local database.

What should I do if a new Outlook profile doesn't fix the issue?

If both clearing the RoamCache and creating a new profile fail to resolve the incorrect counters, you should contact your organization's IT administrator or reach out to Microsoft Support, as the issue may require server-side troubleshooting.

Outlook & Email Problems