Microsoft Teams, a workplace collaboration app designed to rival Slack, was down for three hours Monday. Microsoft failed to renew its authentication certificate, the company’s Twitter account said. Microsoft Teams is a communication platform for businesses that includes chat, video meetings and file storage. The company announced the full fix in a tweet at 1:27 p.m. PT Monday afternoon, though the issue wasn’t fully resolved until later in the day. It’s unclear what caused the outage, but Microsoft said service was fully restored.”]
Source: https://www.cnet.com/tech/mobile/microsoft-teams-outage-due-to-expired-certificate-company-says/