Virtual meeting room with video, chat, and screen sharing

/live-meetings

Launchpad for Microsoft 365 web apps

m365.cloud.microsoft/

Copilot chat (web). Copilot in M365 apps may require license.

copilot.microsoft.com/

Create & edit documents in the browser

word.cloud.microsoft/

Spreadsheets in the browser

excel.cloud.microsoft/

Presentations in the browser

powerpoint.cloud.microsoft/

Web mail for Microsoft accounts & many tenants

outlook.office.com/mail/

Files & folders (personal / some org setups)

onedrive.live.com/

Tasks & plans (license/tenant dependent)

planner.cloud.microsoft/

Notes in the browser

onenote.cloud.microsoft/

Surveys, quizzes, and forms

forms.office.com/