What we know about the global Microsoft outage
![What we know about the global Microsoft outage](https://media-cldnry.s-nbcnews.com/image/upload/t_fit_1500w/rockcms/2024-07/240719-airport-blue-screen-outage-mb-1418-d4e507.jpg)
A routine software update caused cascading chaos Friday that has engulfed global businesses from airports and banks to retail and law enforcement.
A routine software update caused cascading chaos Friday that has engulfed global businesses from airports and banks to retail and law enforcement.