Simple but useful function to transform a multi-column array into a single-column.

Install this add-on for Free

or check out the the demo

Just use:


and stack your columns instantly wherever you need it in your spreadsheet. Without altering the initial array.

Remove blank cells

=STACKARRAY(ref_to_your_array, TRUE)

Stack row by row instead of column by column

=STACKARRAY(ref_to_your_array, , TRUE)

To merge an array with only unique values, use


To sort the resulting column, use