Global Microsoft Outage Forces Companies To Switch To Phones And Faxes

A worldwide outage of Microsoft systems on Friday crippled email and communication for major businesses, banks, and shipping lines, forcing millions to rely on older methods like telephone calls, faxes, and Bluetooth.

Impact On Global Business

The failure disrupted Outlook, Teams, and Copilot, slowing down trading and administrative work across multiple countries. Major stock market operator Euronext told listed firms to use phones instead of email, while shipping giant Maersk asked customers to call for urgent matters. British insurer Aviva used Bluetooth to transfer recordings when emails failed, and its CEO Amanda Blanc noted the firm had tested for a similar outage two weeks prior. Meanwhile, financial institutions in Taiwan had to process short-term bill transactions using fax machines, and HSBC and Barclays set up internal incident teams while warning staff not to use unauthorized personal apps or WhatsApp to bypass the failure.

Microsoft's Response

Microsoft blamed server-related problems and stated there was no evidence of malicious activity. The company noted that more than 430 million people use Microsoft 365 services, with paid commercial subscriptions totaling over 450 million as of January. In updates released on Friday, the Redmond, Washington-based firm reported gradual recovery and improved email delivery across North America, Europe, and the Asia-Pacific region, though it warned that some users might still face delayed access or delivery.

Context

Modern enterprises depend heavily on a small group of cloud and software providers for daily operations, meaning a single technical failure can disrupt global finance and trade simultaneously. This reliance leaves companies vulnerable when core communication infrastructure goes down, even if their internal databases and ledger systems remain untouched.