Microsoft said Delta Air Lines’ own outdated technology ... wrote in a response to Delta’s lawyer Tuesday. Delta said its record shows years of technology investment to ensure safe, reliable ...

In a letter sent to Delta ... Microsoft’s help because the IT system it was most having trouble restoring—its crew-tracking and scheduling system—was being serviced by other technology ...

On July 24, Microsoft CEO Satya Nadella emailed Bastian as well, according to the letter. “In fact, it is rapidly becoming ...

Microsoft is joining ... in fighting back against Delta Air Lines, which blames the companies for causing several thousand canceled flights following a technology outage last month.