I'm having issues with a Open Office. I'm trying to export some files as CSV text and it appears that underscores and perhaps some other characters are being replaced. For instance, I created this file in a text editor and saved it as test.csv:
"this_value","is_replaced"
I then opened the file into Open Office as a spreadsheet. It looked fine. Then I saved it as a new CSV file named test-export.csv. When I open the new file in a text editor, the underscores are replaced with "+AF8-", and the comma is replaced with a tab.
this+AF8-value is+AF8-replaced
This change makes the file useless for my purposes. Any idea what is causing this?
Apparently the problem is caused when you import the CSV file into Open Office. When you import it you have a choice which character set to use. I used UTF-7 when I should have used UTF-8. When I import using UTF-8, it then saves the file as I expect it should.
来源：https://stackoverflow.com/questions/38923688/openoffice-when-exporting-csv-underscores-are-replaced-with-af8