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Thread: Complete removal of duplicates?

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    Complete removal of duplicates?

    Hi guys,

    I hope someone can help or point me in the right direction. i have two spreadsheets with name surname and email address field's. I can put this data into one spreadsheet but then i need to delete all of the duplicates so i am left with completley unique data. All the help tutorials i can find will remove the duplicate but still leave the original, i want both to be removed. Is there a formula or program that will help me do this?

    Thanks in advance,

    Dan

  2. #2
    Forum Moderator Richard Buttrey's Avatar
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    Re: Complete removal of duplicates?

    Hi Dan,

    Since you have already put all the records into the same sheet, why not just use the standard Data Filter and select the 'Unique' parameter?

    Rgds
    Richard Buttrey

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    Re: Complete removal of duplicates?

    Hi Richard,

    The standard unique filter will unfortunatel not remove the originals.
    For example if i had

    Jon jon@email.com
    Ralph ralph@email.com
    Stacey Stacey@email.com
    Jon jon@email.com

    I would like it filtered to only leave

    Ralph ralph@email.com
    Stacey Stacey@email.com

    so it removes the duplicate and original. Is this possible at all?

    Any help would be greatly appreciated!

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    Re: Complete removal of duplicates?

    why not create a helper column where you calculate if a value in column A occurs more than once, i.e. with your data in column A, use something like this in column B

    =COUNTIF(A:A,A1)

    copy down all rows

    then sort by column B and delete anything that has a value greater than 1 in column B

  5. #5
    Forum Moderator Richard Buttrey's Avatar
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    Re: Complete removal of duplicates?

    Hi,

    Indeed a unique filter won't also delete records, but I had assumed you would extract the unique records to a temporary area, delete the original records and then replace them with the previously filtered data.

    However teylyn's suggestion will also work.

    Regards
    Richard Buttrey

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