C# Modify Word Paragraph Alignment

Modify-Word-Paragraph-Alignment.cs

// Prerequisite: Install <a href="https://www.nuget.org/packages/FileFormat.Words">FileFormat.Words</a>.

// Load the Word Document
var doc = new FileFormat.Words.Document($"filename.docx");

// Initialize the body with the document
var body = new FileFormat.Words.Body(doc);

foreach (FileFormat.Words.IElements.Paragraph paragraph in body.Paragraphs)
{
    paragraph.AddRun(new FileFormat.Words.IElements.Run
    { Text = " (alignment modified to justify)", Italic=true });
    paragraph.Alignment = FileFormat.Words.IElements.ParagraphAlignment.Justify; //"Justify";
    doc.Update(paragraph);
}

// Save the modified Word Document
doc.Save($"AlignmentModified.docx");