Fill blanks in table with values from other table

[deboec]

I have 2 Excel files with one table each.

One table contains data with >500 rows and specific columns. 

There are blank values in one importanct column for me in this table which need to be filled.

I have another Excel file with a table that contains the missing data / blanks of the first table.

This second table has the identical structure as the first table but only with the data that is incomplete in table 1.

Can I merge / append the two table so that I have the structure and rows of table 1 but filled with the missing data that comes from table 2?

Thank you

Sample file:

table 1:

table 2:

[ERD · Accepted solution]

Hi @deboec ,

As far as I understand, you need to get Project column value and it can be looked up by Id column.

1. Merge queries in your first table, use Id columns in both tables, Left Outer join kind.

2. Enpand the needed column (Project).

3. Does your second table contain ONLY missing values from the first one?

If so, you can Merge these columns (choose 2 columns: initial Project column & merged Project column), click Transfrom > Merge Columns.

If not, click Add Column > Custom Column and 

if [Project] = "" then [T2.Project] else [Project]

If this post helps, then please consider Accept it as the solution ✔️to help the other members find it more quickly.