Is Col 1 Data In Col 2 and vice versa

In Excel, you can compare the cells in two ranges with an array formula.

Consider this table - look at columns 1 and 4 - note the occurrence of the values

Value Is A in D

(BlankCell)

Value Is D in A
1 Yes   0 No
2 Yes   1 Yes
3 No   2 Yes
4 No   6 No
5 No   7 No

The table is obtained by :

Value Is A in D

(BlankCell)

Value Is D in A
1
=IF(ISNA(VLOOKUP(A2,$D$2:$D$6,1,FALSE)),"No","Yes")
  0
=IF(ISNA(VLOOKUP(D2,$A$2:$A$6,1,FALSE)),"No","Yes")
2
=IF(ISNA(VLOOKUP(A3,$D$2:$D$6,1,FALSE)),"No","Yes")
  1
=IF(ISNA(VLOOKUP(D3,$A$2:$A$6,1,FALSE)),"No","Yes")
3
=IF(ISNA(VLOOKUP(A4,$D$2:$D$6,1,FALSE)),"No","Yes")
  2
=IF(ISNA(VLOOKUP(D4,$A$2:$A$6,1,FALSE)),"No","Yes")
4
=IF(ISNA(VLOOKUP(A5,$D$2:$D$6,1,FALSE)),"No","Yes")
  6
=IF(ISNA(VLOOKUP(D5,$A$2:$A$6,1,FALSE)),"No","Yes")
5
=IF(ISNA(VLOOKUP(A6,$D$2:$D$6,1,FALSE)),"No","Yes")
  7
=IF(ISNA(VLOOKUP(D6,$A$2:$A$6,1,FALSE)),"No","Yes")