Conditional formatting in Excel for dates older than 2 weeks

Hi, i have an Excel document that is used to record dates that of maintenance, backups etc.
I would like to apply conditional formatting to cells that contain a date that is older than then the "Todays" date by 2 weeks plus by highlighting those cells in a different colour.
I can see an option where you can manually enter "Format cells that are Greater than date", but i dont want to have to keep manually changing this date, i guess there is an option for it to look at the PC's current date and highlight any cell that is older by more than 2 weeks
regards
Rick
Rick_PenneyAsked:
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Arno KosterCommented:
Standard conditional formatting date options are :

today / yesterday / tomorrow
last 7 days
previous week / this week / next week
previous month / this month / next month

this does not fit the 2 weeks so a different approach is needed : using a formula.
you could use the formula

= (A1 < Today() - 14)

assuming that the dates are placed in column A. Otherwise, replace A1 with the first cell in the selection containing the dates.
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Ingeborg Hawighorst (Microsoft MVP / EE MVE)Microsoft MVP ExcelCommented:
Hello,

if A1 has a date, then select A1 and create a conditional format with New Rule > Use a Formula to determine ...

Enter this formula

=A1>=today()+14

Select a format and hit OK.

cheers, teylyn
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Ingeborg Hawighorst (Microsoft MVP / EE MVE)Microsoft MVP ExcelCommented:
If A2 and below also have dates, you can then copy A1 and use Paste Special > Formats to copy the same format to the cells below. Since the conditional formula contains a relative reference, the next row down will check A2, the next one A3, and so on.

cheers, teylyn
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Rick_PenneyAuthor Commented:
Hi
many thanks to both of you for your quick replies and help, sorry teylyn , i couldn't get your formula to work, i wasn't adding any spaces so maybe that was why.
Thank you akoster, your formula works perfectly. is it possible to apply this to multiple cells in one go rather than doing this for each cell individually?
thank you
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Ingeborg Hawighorst (Microsoft MVP / EE MVE)Microsoft MVP ExcelCommented:
The difference between akoster's formula and mine is the operator after today()

You said

>>  "Todays" date by 2 weeks plus

So I assumed "today plus two weeks"

=A1>=today()+14

akoster interpreted it as "today minus two weeks"

= (A1 < Today() - 14)

The brackets and the spaces do not make a difference.

A clear definition of what you want to compare A1 with would have.

cheers,
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Rick_PenneyAuthor Commented:
ok, thanks for the explanation, i did put (contain a date that is older than), anyway,
i'll increase the points to 500 and split it between you.
hope thats ok
regards
Rick
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Rick_PenneyAuthor Commented:
Many thanks for the speed of your help
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Arno KosterCommented:
You're welcome...

You can select the complete column A (or a range from A1 to let's say A22), select conditional formatting, enter the formula, and the complete selection will be conditionally formatted on each different cell.

So it's not like the whole column will be colored when cell A1 changes to a date in last year.


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