Hotmail access issue

Disable AdBlock or uBlock for Outlook.com, then refresh the page; Microsoft documents these extensions as causing email to load continuously, time out, or run very slowly. ^1^

Disable the extension for Outlook.com

Chrome with AdBlock

1. Open Outlook.com and wait for the loading screen.
2. Select the AdBlock icon in Chrome’s upper-right corner.
3. Select Don’t run on pages on this domain.
4. Refresh the Outlook.com page.
5. If it still hangs, open Chrome menu → Extensions → Manage extensions, temporarily disable AdBlock/uBlock, and reload Outlook.com.

Firefox

Certain Firefox add-ons can prevent the Outlook.com inbox from loading. Open Menu → Add-ons and themes → Extensions, temporarily disable content-blocking extensions, and reload the mailbox. ^1^

If it still remains on the envelope

1. Open Outlook.com in Microsoft Edge or another browser with no added extensions.
2. Also test an InPrivate/Incognito window.
3. If it works there, the problem is local to the original browser—re-enable extensions individually until the failing extension is identified.
4. If it fails in every browser, check Microsoft’s service status from the Outlook.com known-issues page. Microsoft directs users who cannot access Outlook.com to the Service Health Status site. ^2^

If the mailbox also fails on another device or network, note any displayed error text—especially Error 500, BootResult: fail, or StartupData/ServerError. Similar cross-browser and cross-device cases have been associated with temporary Microsoft-side incidents, rather than browser data. ^3^

Escalate if access fails everywhere

Use Microsoft’s Outlook.com sign-in support link for users who cannot enter their mailbox:

Contact Outlook.com support when you cannot sign in

Include:

• The Hotmail address, but not the password
• The exact error text, if any
• When the problem began
• Browsers and devices tested
• Whether InPrivate/Incognito also fails
• A screenshot of the endless envelope screen

Microsoft also provides Outlook.com troubleshooting and the Microsoft Virtual Agent through its support page. ^4^

References

1. Fixes or workarounds for recent issues on Outlook.com | Microsoft Support
2. Fixes or workarounds for recent issues on Outlook.com
3. My Outlook.com mailbox is inaccessible across all clients. - Microsoft Q&A
4. Get help with Outlook.com | Microsoft Support