This article shows how to connect with the Tab delimiter text file, load its data into the tableau desktop, and design a chart.
The below screenshot shows that each column separates by tab space.
Connect Tableau to a Tab Delimiter Text File
Clicking on the text file option will open the window to choose the Tab delimiter file.
As you can see, the Tableau desktop loaded the file and automatically separated the columns using a Tab delimiter.
If it is not the case, choose the Text File Properties.. option.
By default, the desktop has chosen Tab as the Field separator.
If not, it has chosen a comma; the data looks below.
Change the Field Separator to Tab from the list of available separators.
Drag Education to Columns and Income to Rows shelf. Next, add the Education dimension to the Color shelf and Income to Label.