Office Apps Not Opening

Fix Microsoft To Do Crashing or Not Opening on macOS Ventura

Maira Mehtab Sep 20, 2026 869 views

Question details

The user is unable to access Microsoft To Do because the application crashes shortly after launch or gets stuck on a spinning indicator during sign-in, even after performing standard troubleshooting.

Product: Microsoft To Do
Device & OS: macOS Ventura 13.6.9
Scenario: Attempting to launch and sign into the Microsoft To Do desktop application on a Mac.
Observed behavior: The application fails to open, crashes shortly after starting, and sign-in attempts remain permanently stuck on a spinning indicator despite reinstalling, updating, and restarting.

Before you start

Verify that your Mac is connected to a stable internet network and ensure no third-party firewall or security software is blocking Microsoft authentication servers.

Solution 1Recommended

Seek Assistance in the Microsoft Community Forum

Since standard troubleshooting like reinstalling and restarting has not resolved the issue, consulting Microsoft specialists in the official community is the best way to get application-specific support.

Authentication loops and immediate crashes on specific macOS versions can occasionally stem from backend account syncing issues or undocumented bugs in recent app updates.

Posting directly to the community connects you with Microsoft experts who can investigate the Ventura-specific sign-in failure.

Navigate to the Community Page

Open your preferred web browser and visit the official Microsoft Community support website.

Locate the To Do Section

Select 'Microsoft 365 and Office' from the product list and filter the categories to locate discussions specifically for Microsoft To Do.

Submit a Detailed Report

Create a new post detailing your exact operating system (macOS Ventura 13.6.9), the spinning indicator symptom, and the steps you have already tried (reinstalling, restarting, and signing out).

Temporary Workaround: While waiting for a response from the support specialists, you can access your tasks by logging into the web version of Microsoft To Do at todo.microsoft.com.

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Frequently Asked Questions

Why does Microsoft To Do get stuck on a spinning indicator on macOS?

This is typically caused by a keychain authentication glitch, a corrupted application cache, or temporary Microsoft server outages preventing the app from verifying your credentials.

How can I completely clear the Microsoft To Do cache on a Mac?

Open Finder, press Cmd+Shift+G, and type '~/Library/Containers'. Locate the folder named 'Microsoft To Do' or 'com.microsoft.to-do-mac' and move it to the Trash. Restart your Mac before opening the app again.

Can I use Microsoft To Do without the desktop app?

Yes, you can manage your tasks directly through a web browser by visiting todo.microsoft.com and signing in with your Microsoft account.

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