Microsoft Kaizala is a secure messaging and work management software application for collaboration among users inside and outside of organizations, including the ability to send and receive instant messages, coordinate tasks, and submit invoices. It was launched in India in 2017, thereafter expanded to 28 countries, and was launched globally in April 2019 as part of the Office 365 package. It is available internationally, except in a few countries, as a free Android, iOS, and web application. Kai zala is a Marathi phrase (काय झालं) that means "What happened?"