Need to build a report having more than 2.5 million data.

Summary

Need to build a report having more than 2.5 million data.

Content

Need to build a report having more than 2.5 million data. Notepad and notepad ++ is not supporting to open this huge rows data. Please help which format is best to develop this report and how can i serve the purpose. I already develop with excel format and it splits in three different sheets but user asking to be csv or txt format.

 

Any suggestion is highly appreciated.

Ishtiaque