How to get table id in Dynamics 365 for finance and operations.

Table Id can be found SysTableIdView.  in Dev environments, you can do direct query on sql server.

select * from SysTableIdView

If you did not access sql server then you can open it on table browser.

http://usnconeboxax1aos.cloud.onebox.dynamics.com/?cmp=usmf&mi=SysTableBrowser&TableName=SysTableIdView