To create data bars in Excel, select your cells and then choose data bars from Conditional Formatting.

You can make a bar graph in Excel by first selecting the range you want to depict, and then using the dropdown menu to select the desired chart.

If the DAT file you're trying to open is text, you can convert the file into text in the Microsoft Excel program by first saving it as a CSV file.

Use Data Bars Instead of Bar Charts Excel gives you the option to create mini bar charts—also known as data bars—within cells to compare values. These are a simpler and more compact ...