Hi Akhil,
Welcome to MSDN forum.
>>unable to connect to the visual studio from my sharepoint online
What error message do you get? And what's the situation are you in, trying to connect to VS in SharePoint Online or trying to connect to SharePoint Online in VS project?
You may get some help from
this document if you're developing sharepoint add-ins. Please share more details here about the issue you met so that we can produce professional support or help redirect this issue to appropriate forum. Thanks for your understanding.
Looking forward to your reply.
Best Regards
Lance
MSDN Community Support
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