If you have problems with viewing exported reports in Excel and get #VALUE or #NA issues, please follow the following steps:
The issue is regarding how excel reades "." and ",". As such the solution is to update those settings in excel.
Here are the steps:
1. Open Excel
2. In Excel chose: Options -> Advanced -> Use system separators
3. Chose dot "." as the Decimal separator
4. Press OK and you are are all set
See screenshots that illustrate the steps: