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Ashnarug's avatar
Ashnarug
Copper Contributor
Sep 02, 2026
Solved

Automatic change of background color in Excel

How can I prevent the background color to change automatically when I enter an identical number in a second cell ? I tried the "no fill" but that does not work at all. Microsoft 365 version 2608   ...
  • SarahWilson1's avatar
    Sep 03, 2026

    This looks like a conditional formatting rule that highlights duplicate values. That is why choosing No Fill does not work: conditional formatting overrides the cell’s normal fill color.

    Select the affected cells, then go to Home > Conditional Formatting > Manage Rules. Set Show formatting rules for to This Worksheet, find the Duplicate Values rule, and either:

    • Delete the rule if you do not need duplicate highlighting, or
    • Edit its Applies to range so it affects only the intended cells.

    You can also select the affected range and choose Home > Conditional Formatting > Clear Rules > Clear Rules from Selected Cells.

    After removing the rule, apply No Fill again if any background color remains.