OTM Report have different data column when generate in csv format and xlsx format

Summary:

Generate the same report in OTM, but select 2 different output type, 1 is csv format and another is xlsx format.

Notice the data column are different. Any idea?

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

25B

Code Snippet (add any code snippets that support your topic, if applicable):