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Create date column based on file name?
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John Davies

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October 27, 2021 - 11:50 pm
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Hello,

Does anyone know the method to create a new column in Power Query based off of a source file name?

For example, my source file is named 10.24.2021.xlsx. I want Power Query to generate a new column typed as a date that understands all records associated with that file to have 10/24/2021 as their value.

Thank you.

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Mynda Treacy
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October 28, 2021 - 9:53 am
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Hi John,

Welcome to our forum!

Presumably the source file name is in a column. If so, you can simply use Replace to remove the .xlsx and then format the column as Date data type. If Date data type returns an error, then you can use Replace again to replace the . with /.

Mynda

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John Davies

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October 29, 2021 - 1:25 am
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Oh wow. So simple and effective. Thank you!

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