A Comma Separated Value (CSV) contains data separated by commas (and sometimes other characters) and is generally used to exchange data from one application to another. If you have a list of data in a Word document, converting it to a CSV file can help you get it into other apps.
Let’s say you’ve been keeping all of your email contacts organized in a Word file and you’d like to let an online application clean it up for you. You’re likely going to need a CSV file to achieve this. In fact, several of these applications you’d find online may only support CSV files because the file works across the Mac, Windows, and Linux platforms. Pretty efficient.
Go ahead and open the Word file that contains the data to be imported. In this example, we’re going to be showing a very small email list.
As you can see, all of our data is separated by commas and are on separate lines, similar to the row/column structure you’d find in Excel. The structure of a CSV file can get a bit complicated, but this is a very basic example.
Once you’re ready, click the “File” tab located at the top-left of the window.
In the pane on the left-hand side, select “Save As.”
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Source : How to Change a Microsoft Word Document to a CSV File
