It is possible to open UTF-8 files in Excel by specifying the "File Origin"; use the following steps as an example:

  1. Open Excel (don't load file)
  2. Go to Data Tab
  3. Click "From Text"
  4. Choose the file
  5. Select "65001" UTF-8 from the File Origin dropdown
  6. Select "My data has headers"
  7. On the next page optionally specify data types for the columns