Calendar Problems

How to Change Microsoft To Do Calendar to Start on Monday

Emma BrownEmma Brown Oct 22, 2026 868 views

Question details

The user wants to configure Microsoft To Do's due-date and reminder calendars to start on a Monday instead of Sunday.

How to Change the Microsoft To Do Calendar to Start on Monday
Product
Microsoft To Do
Device & OS
not provided
Scenario
Setting up task due dates and reminders in Microsoft To Do to align with a Monday-start work week.
Observed behavior
The calendar displays a Sunday-to-Saturday layout and does not inherit Outlook's Monday-start configuration.
Before you start

Please note that Microsoft To Do operates independently of Outlook's calendar view settings. Ensure your app is updated to the latest version to access any newly released features.

Solution 1Recommended

Support the Official Feature Request on the Microsoft Feedback Portal

Since Microsoft To Do currently hardcodes the week to start on Sunday, the only actionable step is to vote for the requested change on Microsoft's official feedback platform.

Currently, Microsoft To Do does not feature a built-in toggle to shift the start of the week from Sunday to Monday. Unlike Outlook, which allows extensive calendar customization, To Do utilizes a standardized Sunday-to-Saturday layout for its date pickers.

Microsoft actively monitors its Feedback Portal to prioritize new features based on user demand. Upvoting the specific request for a Monday start day is the most effective way to encourage the development team to implement this change.

1
Navigate to the Feedback Portal

Open your web browser and go to the official Microsoft Feedback Portal link dedicated to the To Do calendar week start feature.

2
Sign In to Your Account

Click the 'Sign In' button in the top right corner and enter the credentials for your Microsoft account.

3
Cast Your Vote

Locate the 'Vote' button next to the community suggestion and click it to register your support. You can also leave a comment detailing why this feature is important for your workflow.

Support the Official Feature Request on the Microsoft Feedback Portal
No Immediate Fix Available: There are no registry hacks or hidden settings to force this change locally. Waiting for an official software update is currently required.
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Frequently Asked Questions

Why doesn't Microsoft To Do sync my Outlook calendar start day?

Microsoft To Do uses a hardcoded Sunday-to-Saturday calendar interface for its due date and reminder pickers. It currently bypasses the custom calendar configurations you may have set in Outlook.

Can I change the start day in the mobile version of Microsoft To Do?

No, the Sunday-to-Saturday week layout is standard across all versions of Microsoft To Do, including the iOS, Android, and Windows desktop applications.

Is there a third-party add-in to fix the To Do calendar layout?

Currently, third-party add-ins cannot modify the core user interface or date picker behavior within the standalone Microsoft To Do application.