Latest date in Excel

Wanted to get latest date from column B that is not 100% in column A.  See highlighted yellow in attachment.
C--Users-lfreund-Desktop-LATEST-DAT.xlsx
LUIS FREUNDAsked:
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Wayne Taylor (webtubbs)Commented:
You can use this array formula...

=MAX(IF(A:A<>1,B:B ))

Use Ctrl+Shift+Enter after entering the formula in the formula bar.

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Subodh Tiwari (Neeraj)Excel & VBA ExpertCommented:
Try this...

=MAX(INDEX((A2:A86<>1)*B2:B86,))

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This is regular formula so you won't need Ctrl+Shift+Enter to confirm it.
Wayne Taylor (webtubbs)Commented:
Neeraj, that will return an error if the max date is listed twice.
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Subodh Tiwari (Neeraj)Excel & VBA ExpertCommented:
I don't think so though I Just tested it after replacing old dates with the same max date.
Can you please let me know the scenario when the proposed formula returned an error?

Actually my proposed formula is the regular version of your array formula.
Also, it's better to avoid the whole column reference when comparative operators are used.
Wayne Taylor (webtubbs)Commented:
Sorry, I got caught out by the dodgy date formats again. I typed "2/21/18" into another cell and your formula returned #VALUE! but mine didn't. Entering the date in the correct format (d/mm/yy) didn't cause any issues though.
Wayne Taylor (webtubbs)Commented:
Also, it's better to avoid the whole column reference when comparative operators are used.

Maybe if there were hundreds of them, but it's only one formula.
Subodh Tiwari (Neeraj)Excel & VBA ExpertCommented:
You never know if OP is going to have multiple such formulas. :)
LUIS FREUNDAuthor Commented:
Thank you very much guys....works great!  I failed to mention that I wanted the latest date based on a criteria as well and will close this question out and ask it with the criteria.
Subodh Tiwari (Neeraj)Excel & VBA ExpertCommented:
You're welcome Luis! Glad we could help.
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