Power Platform Community Forum Thread Details

I am new beginner of Power Query. My current raw data (1st screenshot below) consists of column headers (Column B - M) without [Year Name].

Column A	Column B	Column C	Column D	Column E	Column F	Column G	Column H	Column I	Column J	Column K	Column L	Column M
	Jan	Feb	Mar	Apr	May	June	July	Aug	Sept	Oct	Nov	Dec
Sales	100	100	100	100	100	100	100	100	100	100	100	100
Expense	100	100	100	100	100	100	100	100	100	100	100	100

I manually added in [2022] in Query Editor for all months (Jan - Dec). However, when come to next year, i will have to do the similiar manual exercise to replace col. header with [2023], which bit inefficient.

Table.RenameColumns(#"Removed Columns2",{"Jan", "Jan 2022"}, {"Feb", "Feb 2022"}, {"Mar", "Mar 2022}, {"Apr", "Apr 2022"}, {"May", "May 2022", {"June", "Jun 2022"}, {"Jul", "Jul 2022"}, {"Aug", "Aug 2022"}, {"Sep", "Sep 2022"}, {"Oct", "Oct 2021"}, {"Nov", "Nov 2022"}, {"Dec", "Dec 2022"}})

let's assume i key in "2023" in Excel Cell A1 in another worktab within same workbook.

Year

2023

wonder if any better way which i can dynamic col. header name in P.Query Editor, base on [Year] selection from excel cell A1, and concentrate with [Month]?

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Power Query