concatenation - Comparing Columns in Multiple Excel Tabs using INDIRECT -
i looking broad , dynamic way check , see if content in 2 columns same (the columns in 2 different tabs). content varies text, numbers, , dates.
so far way have tried doing combining entries in each column , comparing them. example, append entries of column , compare other appended column. unfortunately haven't been able find way append columns in quick , efficient manner.
i started concatenate function realized function requires manual input of values , not capable of recognizing ranges created indirect. if use indirect concatenate able compare values of 2 columns easily.
i ideally use indirect create ranges since there thousands of columns need compare , since know locations of columns comparing.
the example below basic , merely used explain needs. trying compare cells c7:c16 column located within "sheet1", cells a1:a10.
another example, concatenate(d7:16) result abcdefghij , compared concatenate found in sheet3!a1:a10.
need: way concatenate entries in specified ranges using indirect can compared correctness.
any input on how achieve this?

you trying use concatenate append cells in range. not work. concatenate needs individual arguments, not range.
for such comparison need array formula.
select cells c7 down c100 (or many rows need column data), enter formula
=indirect("'"&c$1&"'"&"!"&c$2&c$3&":"&c$2&c$4) and confirm ctrl-shift-enter
all cells filled @ once , see values of range specified in first 4 rows.
copy formulas column d.
in e7 enter formula
=c7=d7
and copy down. can use countif count false values in column e , use determine if columns identical. in c6:
=if(countif(e:e,false),"not same","identical")
you can use conditional formatting highlight "false" values.
refer screenshot.

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