Use the Table pane to populate your tabular data by importing delimited text files.
To import material data in tabular form:
In the Table pane, right-click an empty row and select from the context menu.

The Delimited Data Import dialog box opens, as shown in the following image.

The Auto Detect feature examines the content of the file to find recognizable delimiters and numeric data and automatically changes the File Format settings to match the file formatting. During this process, the feature attempts to convert any string data preceding the numerical data as a variable type and its units.
To turn this feature off, clear the Auto Detect check box.
To select a file to import, click .
Browse to the location of the file you want to import, select it, and click .
The data from the file is loaded into the dialog box.
To select a specific line in the file to begin the import from, type the number in the Data Starts at Line field.
Select one of the following options from the Delimiter Type drop-down menu:
(default)
To display the header information as well as the first 50 lines of your file, select Preview. To display the entire content of the file, select Full File.
To include or exclude a column of the file from import, select or clear the Import check box under the column name.
To select or change the information displayed in the Variable field, select an option from the drop-down list of available variables provided by the property shown in the Table pane.
These values are read-in by the tool.
To select or change the information displayed in the Unit field, select an option from the drop-down list of units based on the specified variable.
For variables that do not require units, this field is left blank.
Note:
The import operation always appends data in the Table pane. Data is never overwritten.
You can drag and drop your file onto a cell of the Table pane to automatically launch the Delimited Data Import dialog box.