Securely sign in to access your Microsoft account and manage emails, calendars, and other services efficiently.

A degraded or unhealthy status can be caused by various issues across the entire customer connection path, including issues with Microsoft’s network and availability, the customer’s network infrastructure, internet service provider availability, and third-party intermediary devices. Go to Service health in the Microsoft 365 admin center for more details on any issues we’ve detected ...

Access the Microsoft 365 Apps admin center to manage, deploy, and secure Office apps within your organization.

When you run this test, we measure the connectivity between your device and the internet, and from there to Microsoft's network. Insights from these measurements help you discover and understand connectivity problems for individual office locations and how you can update your network architecture to improve connections to Microsoft 365. This can dramatically increase productivity and ...

If you're trying to send mail to an Office 365 recipient and the mail has been rejected because of your sending IP address, follow these steps to submit a delisting request. Senders are responsible for making sure that their mail from this IP address isn't abusive or malicious. Learn More Step 1: Send verification Step 2: Confirm email address 3. Delist IP

Welcome to the new SNDS portal. This site is replacing the previous site at https://sendersupport.olc.protection.outlook.com/snds/ We're aware that the 'Deadline date ...

How to start add-ins directly within Office Online You can launch any add-in within Office Online. Click here for step by step instructions

If you're trying to send mail to an Office 365 recipient and the mail has been rejected because of your sending IP address, follow these steps to submit a delisting request. Senders are responsible for making sure that their mail from this IP address isn't abusive or malicious. Learn More Step 1: Send verification Step 2: Confirm email address 3. Delist IP Step 1: Provide your email address ...

Version 2026081400 includes 2 changes. URLs: 2 added and 2 removed. 7 other attributes changed. Fri, 14 Aug 2026 16:49:17 Z2026073100https://domain-lens-prod-public ...

Sign in to configure and manage your Office settings efficiently.