<PackageReference Include="Relativity.MassOperations.SDK" Version="2.0.0" />

Relativity.MassOperations.V2.Enums.ExportFileFormat

public enum ExportFileFormat
Enum describing all of the file formats supported by the Export to File Mass Operation.
Csv = 0

Comma Separated Values

Dat = 1

Concordance DAT Format

Xls = 2

Excel Spreadsheet via HTML