Scammer’s Number: No Idea
Domains Used: winchatsupport.com
Below mentioned few Domains are linked to winchatsupport.com and another few websites I have found in Google . ( Keyword used - MICROSOFT CHAT SUPPORT, MICROSOFT ONLINE HELP, MICROSOFT DIRECT SUPPORT, etc…)
officelivesupport.com
officesupportcontact.com
outlooksupport.pro
errosupport.com
officeonlinechat.co.uk
officesupportcontact.com
microsoftliveassist.com
microsoftlivesupportonlinechat.com
microsoftofficefix.com
Extra Info: Fraud website running to collect bank details with remote support
Welcome to our scam baiting team 
officelivesupport.com
winchatsupport.com and other websites are still working. May I know why your great team has not taken any action against Scammer?