The mass update of the records is tricky in Salesforce org. You need to develop a batch to update the data in bulk. And yes, there are validation rules! Perhaps, some of your records are invalid or have formatting errors and Salesforce cannot update it, then it sends you an email. Now, if there are 120 chunks, it will send you 120 emails.
120 is a big number! Managing these 120 emails with 120 CSVs is cumbersome and it frustrates the user. There is a dire need to consolidate these success files in one CSV and error files in another.
So, we present you 5 steps using which you can send success and error file CSV attachments and send it in one mail for every batch update.