Sign-in & Login Problems

Why Chrome or Safari Keeps Signing Me Out of Microsoft Account

John WilsonJohn Wilson Oct 21, 2026 868 views

Question details

Users find themselves repeatedly signed out of their Microsoft accounts when accessing services via web browsers like Google Chrome or Apple Safari.

Why Chrome or Safari Keeps Signing You Out of Microsoft
Product
Microsoft Account via Web Browser
Device & OS
not provided
Scenario
Accessing Microsoft web services after restarting the browser or applying a browser update.
Observed behavior
The browser fails to retain the active login session, continuously prompting the user to enter their Microsoft credentials because session cookies were removed.
Before you start

Ensure you have your Microsoft account password and any required two-factor authentication devices ready before modifying your browser's privacy settings.

Solution 1Recommended

Adjust Browser Cookie and Privacy Settings

Configure Chrome or Safari to retain site data and cookies upon exiting to prevent automatic sign-outs.

Web browsers rely on cookies and cached session data to keep you signed in to websites like Microsoft. If your browser is configured to automatically delete browsing data upon closing, or if a recent browser update reset your privacy preferences, your active sessions will be terminated.

1
Open Chrome Cookie Settings

Launch Google Chrome, click the three-dot menu icon in the top-right corner, and select 'Settings'. Navigate to 'Privacy and security' on the left sidebar, then click 'Cookies and other site data'.

2
Disable Clear on Exit (Chrome)

Scroll down and ensure the toggle switch for 'Clear cookies and site data when you close all windows' is turned off.

3
Access Safari Preferences

Open Safari on your Mac. Click 'Safari' in the top menu bar, then select 'Settings' (or 'Preferences' on older macOS versions).

4
Modify Safari Privacy Options

Click the 'Privacy' tab. Ensure the checkbox next to 'Block all cookies' is unchecked so websites can store the necessary login data.

Adjust Browser Cookie and Privacy Settings
Impact of Browser Updates: Major updates to Chrome or Safari can sometimes automatically flush old browsing data as a security measure. If you are signed out immediately after an update, simply logging in again and checking 'Keep me signed in' should establish a new persistent session.
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Frequently Asked Questions

Why did a recent Chrome update log me out of everything?

Browser updates sometimes clear existing browsing data, including cookies and cache, to resolve compatibility issues or enhance security. This removes the active session tokens that websites like Microsoft use to keep you signed in.

How do I keep my Microsoft account logged in on Safari?

When you enter your password on the Microsoft login page, make sure to check the 'Keep me signed in' box. Additionally, verify that Safari's Privacy settings are not set to block all cookies or automatically clear history on exit.

Does clearing my browser cache affect my Microsoft login?

Clearing only the cache generally removes temporary image and script files, but if you select 'Cookies and other site data' during the cleanup process, it will delete your login tokens and force you to sign in again.

Can third-party browser extensions cause sign-out issues?

Yes. Ad blockers, strict privacy extensions, or anti-tracking tools can sometimes block the specific cookies Microsoft requires to maintain a session. Try temporarily disabling these extensions on Microsoft domains to see if the issue resolves.