Determine if Paper Size of Worksheet is Automatic

Possible Usage Scenarios

Most of the time, the paper size of the worksheet is automatic. When it is automatic, it is often set as Letter. Sometimes the user sets the paper size of the worksheet as per their requirements. In this case, the paper size is not automatic. You can find if the worksheet paper size is automatic or not using the Worksheet.PageSetup.IsAutomaticPaperSize property.

Determine if Paper Size of Worksheet is Automatic

The sample code given below loads the following two Excel files

and find if the paper size of their first worksheet is automatic or not. In Microsoft Excel, you can check if the paper size is automatic or not via the Page Setup window as shown in this screenshot.

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Sample Code

Console Output

Here is the console output of the above sample code when executed with the given sample Excel files.

 First Worksheet of First Workbook - IsAutomaticPaperSize: False

First Worksheet of Second Workbook - IsAutomaticPaperSize: True