Chinese/Japanese/Korean characters broken when generating/exporting CSV

[jgreys]

Details

When I export the data in CSV format ( Donations > Tools > Export ), if the data contains Chinese, Japanese, or Korean characters, they are broken.

Expected Behavior

When exporting data, the data must be readable.

Steps to Reproduce

1. Go to Donations > Tools > Export
2. Click on Generate CSV
3. Open the csv file generated
4. Characters broken