Formatting the Excel .csv file for milliseconds
Excel does not have a standard number format for milliseconds. It can be added using the custom
formatting.
1. Select the top timestamp in your spreadsheet.
2. Right click the cell and select Format Cells
3. Under Number, select Custom
4. The format should present hh:mm:ss.0
5. Add two extra 0's so it looks like this: hh:mm:ss.000
6. Copy this format to all cells in this column
Page 181
Appendix D