This post will guide you how to show milliseconds in Microsoft Excel. How do I format cells to time format to include milliseconds in Excel.
Assuming that you have a list of data in range B1:B4, in which contain time values, and if your time values contain milliseconds, when those time values are converted to time format, the milliseconds part will be disappeared. So if there is a way to keep to show milliseconds part in your time values. Just do the following steps:
Step1: select the range of cells that contain time values.
Step2: right click on the selected cells, and select Format Cells from the context menu list. and the Format Cells dialog will open.
Step3: switch to Number tab in the Format Cells dialog box, and click Custom in the Category list box, and type the format code hh:mm:ss.000 into the Type text box. and click Ok button.
Step4: you would see that the milliseconds are shown.