Remove Metadata from PPTX using C#. For more information, please follow link: https://kb.groupdocs.com/redaction/net/remove-metadata-from-pptx-using-csharp/

Remove Metadata from PPTX using C#.cs

using GroupDocs.Redaction.Options;
using GroupDocs.Redaction.Redactions;

namespace GroupDocs.Redaction
{
    internal class RemoveMetadatafromPPTXusingCSharp
    {
        static void Main(string[] args)
        {
            // Set License to avoid the limitations of Redaction library
            License lic = new License();
            lic.SetLicense(@"GroupDocs.Redaction.lic");

            // Control document redaction process, allowing to open, 
            // redact and save documents
            using (Redactor redactor = new Redactor(@"input.pptx"))
            {
                // Erase Author, Manager and Company
                // redactor.Apply(new EraseMetadataRedaction(MetadataFilters.Author 
                // | MetadataFilters.Manager | MetadataFilters.Company));
                // Erase all metadata
                redactor.Apply(new EraseMetadataRedaction(MetadataFilters.All));
                redactor.Save(new SaveOptions()
                {
                    AddSuffix = true,
                    RasterizeToPDF = false
                });
            }
        }
    }
}