Why is conditional formatting not working in Google Sheets
Usually is conditional formatting not working comes down to settings, permissions, locale, or how the data is typed (text vs numbers vs dates). Check Format → Number, Data → Data validation, and whether the sheet is filtered or protected. Compare a working cell next to a broken one to spot the difference faster than rewriting everything.
Steps
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1
Reproduce the issue on a tiny sample.
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2
Check number/date formats and filters.
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3
Check share permissions and protected ranges.
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4
Fix the cause, then reapply to the full range.
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Terms and formulas behind this
Want the full definition or how a formula works? Start here.
filters in Google Sheets
Filtering hides rows that do not match criteria without deleting data. The filter toolbar on a header row is the fast...
Open →FILTER
FILTER returns only the rows from a range that meet one or more conditions. Conditions are boolean arrays the same he...
Open →conditional formatting
Conditional formatting changes how cells look when they meet rules you define, such as values above a target or dates...
Open →Data validation
Data validation restricts what can be entered in a cell before bad data spreads through your model. Rules can enforce...
Open →dropdowns / data validation
Data validation restricts what people can type in a cell. A dropdown is the friendly face of that feature: pick from ...
Open →protect sheets/ranges
Protection limits who can edit specific cells, ranges, or entire tabs while others keep view or comment access. It is...
Open →sharing Google Sheets
Sharing controls who can open a spreadsheet and what they can do inside it. The Share button invites people by email ...
Open →cell formatting
Cell formatting controls how values display without necessarily changing the stored value underneath. Currency, perce...
Open →DATE()
Google Sheets DATE() function guide
Open →Related questions
Why is my conditional formatting not working in Google Sheets
Usually is my conditional formatting not working comes down to settings, permissions, locale, or how the data is typed (text vs numbers vs dates). Check Format → Number, Data → Data validation, and whether the sheet is filtered or protected. Compare a working cell next to a broken one to spot the difference faster than rewriting everything.
Get the answer →Why is conditional formatting not working Google Sheets
Usually is conditional formatting not working google sheets comes down to settings, permissions, locale, or how the data is typed (text vs numbers vs dates). Check Format → Number, Data → Data validation, and whether the sheet is filtered or protected. Compare a working cell next to a broken one to spot the difference faster than rewriting everything.
Get the answer →Why is my conditional formatting not working Google Sheets
Usually is my conditional formatting not working google sheets comes down to settings, permissions, locale, or how the data is typed (text vs numbers vs dates). Check Format → Number, Data → Data validation, and whether the sheet is filtered or protected. Compare a working cell next to a broken one to spot the difference faster than rewriting everything.
Get the answer →Why is conditional formatting not highlighting duplicates
Usually is conditional formatting not highlighting duplicates comes down to settings, permissions, locale, or how the data is typed (text vs numbers vs dates). Check Format → Number, Data → Data validation, and whether the sheet is filtered or protected. Compare a working cell next to a broken one to spot the difference faster than rewriting everything.
Get the answer →Why isnt conditional formatting working Google Sheets
Usually isnt conditional formatting working google sheets comes down to settings, permissions, locale, or how the data is typed (text vs numbers vs dates). Check Format → Number, Data → Data validation, and whether the sheet is filtered or protected. Compare a working cell next to a broken one to spot the difference faster than rewriting everything.
Get the answer →Why is apps script not working
Usually is apps script not working comes down to settings, permissions, locale, or how the data is typed (text vs numbers vs dates). Check Format → Number, Data → Data validation, and whether the sheet is filtered or protected. Compare a working cell next to a broken one to spot the difference faster than rewriting everything.
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