Office 365 is being rewritten with JavaScript

Sean Larkin, a Microsoft Technology Project Manager (TPM), revealed on Twitter that Office 365 is being rewritten with JavaScript. Office 365 is Microsoft’s subscription-based office software suite. Larkin published this message in response to claims that scripting languages cannot be used to develop office software.

(Ive never been able to say this yet)
🙋Well Actually!🙋

All of Office 365 is (almost finished) being completely rewritten in this little scripting language called #JavaScript.

And Skype
And Microsoft Teams
And @Code
And all of @MSEdgeDev Debug Protocol (instead of C++)

nbd https://t.co/WFahDhap6K

— 📦🛠👷🏻‍♂️Sean Larkin (@TheLarkInn) June 13, 2018

He did not disclose many details, but said that they are not Electron applications, but compiled to native code, the same code base composed to different platforms, including Web, Android, iOS, MacOS, UWP and WIN32, of which only WIN32 is Electron applications.

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Written by

@DdoS · Security Researcher

Do Son

Do Son is the Founder and Editor of Daily CyberSecurity. Working in cybersecurity since 2013, he reports on vulnerabilities, malware, and emerging threats, providing timely analysis to help organizations and individuals stay ahead of evolving risks.