Forum Discussion
bloffet
9 years agoFrequent Visitor
pbix file size increases without reasons
Hi all, I've built a report based on 2 csv files that I import as source. The first csv file is about 4MB, and contains +/- 12000 lines. The second csv file is about 4 MB and contains +/- 140...
- 9 years ago
When chaning the data type from "text" to "date", Power BI will build date hierarchy internally so that the file size increases. It depends on your data amount.
Regards,
bloffet
9 years agoFrequent Visitor
By investigating a bit more, I've seen that when I change a text field into a date format, my file grows (+/-18MB for each field transformed). Is this normal ?
v-sihou-msft
Microsoft Employee
9 years ago
When chaning the data type from "text" to "date", Power BI will build date hierarchy internally so that the file size increases. It depends on your data amount.
Regards,
- bloffet9 years agoFrequent Visitor
Thank you for the explanation.
This is a paramter that needs to be taken into account if you have a lot of date fields.