You can do as follows to change font color for part of text in a cell.
1. Select the cell you need to change the font color for part of text, then press the F2 key to enter the edit mode. Or you can just double click the cell you want to change.
2. Select the part of text you want to change its font color, and click Home > Font, then choose a font color from the drop-down list. See screenshot:
Then the font color of selected part of text in cell is changed to the color you specified.
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