India, Nov. 13 -- A widespread disruption to Microsoft's services has affected businesses, financial institutions and government agencies across several countries, leaving millions of users struggling to access workplace applications, emails and communication tools.

The outage has also affected India's aviation sector, prompting Air India and IndiGo to issue separate updates about the impact on their customer support services.

While IndiGo warned that its email support system was experiencing problems, Air India said its flight operations and customer communication channels remained unaffected.

The two airlines have advised passengers to use the available alternative channels where necessary.

IndiGo said its email support service had ...