Extend mass customers to a new company code and sales area in SAP S4 Hana

[abulhasnat]

Hello SAP Experts,

Currently I'm working on one rollout (SAP S4 Hana) project where I created a new company code, so for that I have a total 3500 customers, and all of those customers I want to extend to the new company code and sales area. 

So for that, I need a solution. Can anyone tell me in detail how I can extend all these customers to one company code and sales area. 

Thanks and Regards
Abul Hasnat

[ChhabiRajoriya03]

Use XD99 for mass customer maintainance and you can also use LSMW to extend customers for mass changes.

Regards
Chhabi Rajoriya