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Editorial Team
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Editorial Team
Asked: May 20, 20262026-05-20T21:19:51+00:00 2026-05-20T21:19:51+00:00

I am trying to get a column, but limiting it to used range… public

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I am trying to get a column, but limiting it to used range…

public static Excel.Application App = new Excel.Application();
public static Excel.Workbook WB;

WB = App.Workbooks.Open("xxx.xls", ReadOnly: true);

var sheet = (WB.Sheets[1] as Excel.Worksheet);

// returns 65536 rows, I want only 82 (used range)
sheet.get_Range("F:F");

sheet.UsedRange.get_Range("F:F").Rows.Count; // 65536

How can I get it?

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  1. Editorial Team
    Editorial Team
    2026-05-20T21:19:51+00:00Added an answer on May 20, 2026 at 9:19 pm

    You can use

    sheet.UsedRange.Columns[6, Type.Missing].Rows.Count
    

    or this

    sheet.UsedRange.Columns["F:F", Type.Missing].Rows.Count
    
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