The Microsoft 365 Copilot app (formerly Office) lets you create, share, and collaborate all in one place with your favorite apps now including Copilot.*

Learn how to sign in to Office or Microsoft 365 from a desktop application or your web browser.

Sign In with your Microsoft account. One account. One place to manage it all. Welcome to your account dashboard.

Explore how the Microsoft 365 Copilot app helps you search, chat*, create, and stay in the flow.

Get free Outlook email and calendar, plus Office Online apps like Word, Excel and PowerPoint. Sign in to access your Outlook, Hotmail or Live email account.

Microsoft 365 Copilot is your AI-first productivity assistant, helping you chat, search, create, and collaborate with your favorite Microsoft 365 apps including Microsoft Word, Excel and PowerPoint.

Store photos and docs online. Access them from any PC, Mac or phone. Create and work together on Word, Excel or PowerPoint documents.

Microsoft 365 seamlessly tracks updates, tasks, and comments across all your files so you can pick up right where you left off.

CU Boulder faculty, staff and students are required to log in to Microsoft 365 using multi-factor authentication. Multi-factor authentication (MFA) increases account security by requiring multiple forms of verification to prove your identity when signing in to an application. Visit OIT's MFA page for more information, including setup instructions and frequently asked questions. ... Mobility: Work from virtually anywhere using trusted Office applications across your favorite devices—PCs, Macs and mobile devices—and seamlessly move and work with your Office documents locally on your device or in the online environment.

Go to office.com and in the upper right-hand corner select Sign In.

April 21, 2020 - Get free access to Word, Excel, and PowerPoint using Microsoft 365 for the web (formerly Office).

As of August, Microsoft has retired Microsoft Project for the web and has folded its functionality into Microsoft Planner. Project in Teams and Roadmap in Teams are affected similarly. If there are any further question as to the changes...

November 7, 2025 - Go to https://login.microsoft.com to log in to your Office 365 account.

The sign in location for Office 365 operated by 21Vianet in China is, login.partner.microsoftonline.cn/.

November 20, 2025 - The Microsoft 365 Copilot app helps you find and edit files, scan documents, and create content on the go with access to Word, Excel, PowerPoint, and PDFs all in one app Sign in with your work, school, or personal Microsoft account to start using the free app today.

Select Outlook Web App to access your Office 365 mailbox. Select Office 365 Portal to download Microsoft Office and access other Office 365 services. Select Office 365 Management to manage settings for your mailbox(es), groups and other Office 365 services.

May 4, 2015 - Microsoft 365 is a suite of collaboration tools that includes Exchange-hosted email and calendar service. It offers a seamless workflow with Microsoft Office and other programs.

Sign in to Microsoft 365 Applications