Add-Inn for outlook web portal - need advice on Software tool

New Contributor

Hi All

I am thinking of creating a new custom add-inn for outlook 365 web portal and I am not sure about selecting the right tool (software) for the development 


Please advice me which tool/software would be ideal for creating a new Add-Inn for outlook 365 web portal 


Any help would be appreciated 


Ramesh Rajendran

2 Replies
best response confirmed by Rameshrr99 (New Contributor)
I would pick Visual Studio but in the end it doesn't matter.

Have a look: