Others

Fix Missing Microsoft To Do Icon and Block New Outlook Transition

Algirdas Jasaitis Sep 27, 2026 869 views

Question details

The user needs to restore a missing Microsoft To Do task icon to view assigned tasks and requires an administrative method to block employees from switching from classic Outlook to the new Outlook.

How to Fix the Missing Microsoft To Do Task Icon and Retain Classic Outlook

Product: Microsoft Outlook and To Do
Device & OS: not provided
Scenario: Managing task visibility within the email client and standardizing the supported version of Outlook across an organization.
Observed behavior: Assigned tasks cannot be accessed due to the missing Microsoft To Do icon, and employees are migrating to the new Outlook against internal company policies.

Before you start

Ensure you have administrator privileges in your Microsoft 365 environment or local machine before attempting to modify organization-wide Group Policies or registry settings.

Solution 1Recommended

Prevent Switching from Classic Outlook to New Outlook

Administrative methods to disable the 'Try the new Outlook' toggle, keeping employees on the classic version.

To standardize your organization's email client, administrators can use Registry Editor or Group Policy to hide the toggle that prompts users to switch to the new Outlook.

Open Registry Editor

Press the Windows key + R, type 'regedit' in the Run dialog, and press Enter to open the Registry Editor.

Navigate to the Outlook Options key

Go to the following path: HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Options\General.

Create or modify the DWORD value

Right-click in the right pane, select New > DWORD (32-bit) Value, and name it 'HideNewOutlookToggle'. Double-click it and set the Value data to 1.

Deploy via Group Policy (for IT Admins)

Alternatively, download the latest Administrative Templates for Microsoft 365, navigate to User Configuration > Administrative Templates > Microsoft Outlook 2016 > Outlook Options > Other, and enable the 'Hide the Try the new Outlook toggle' policy.

Prevent Switching from Classic Outlook to New Outlook

Application Restart Required: Users will need to completely close and restart their Outlook application for the policy or registry modifications to take effect.

Solution 2

Troubleshoot the Missing Microsoft To Do Icon

Steps to address the missing task icon preventing you from viewing assigned tasks.

Free Microsoft Office alternative

Switch to WPS Office for a Stable, Unified Office Experience

While managing forced updates and interface changes in Outlook can be administratively taxing, handling your daily document workflows shouldn't be. WPS Office provides a stable, lightweight, and unified suite for all your Word, Excel, PowerPoint, and PDF needs.

1. Download and Install: Get the free WPS Office installer from the official website and run the setup.
2. Open Existing Files: Launch WPS Office and easily open your existing Microsoft Office documents without conversion.
3. Work Seamlessly: Enjoy full formatting compatibility and a familiar, user-friendly interface.

Avoid administrative headaches with a stable, traditional office layout similar to classic environmentsHighly compatible with Microsoft Office formats (DOCX, XLSX, PPTX)Free and lightweight suite that handles everyday office tasks seamlesslyBuilt-in robust PDF reader and editor without needing separate software subscriptions

microsoft office alternative - wps office

Frequently Asked Questions

Why did the Microsoft To Do icon disappear from my Outlook interface?

Microsoft regularly updates the Outlook user interface. The To Do integration may have been moved to an overflow menu in the left navigation bar, or it could be temporarily hidden due to a recent build update. Pinning it back from the 'More Apps' menu usually resolves this.

Can standard users bypass the block on the new Outlook transition?

No. If an administrator successfully deploys the Group Policy or Registry key to hide the 'Try the new Outlook' toggle, standard users without local administrative privileges cannot alter the registry to bypass this restriction.

Is classic Outlook being phased out completely?

While Microsoft is actively encouraging users to adopt the new Outlook for Windows, classic Outlook remains supported. Organizations can use administrative controls to temporarily delay the transition until they are fully ready to migrate their workflows.

Office Quick Solutions