Extract metadata from Microsoft Office Excel spreadsheets

To extract metadata from Microsoft Office Excel spreadsheets GetMetadata method is used. This method allows to extract the following metadata:

NameDescription
titleThe title of the spreadsheet.
subjectThe subject of the spreadsheet.
keywordsThe keyword of the spreadsheet.
commentsThe comments of the spreadsheet.
content-statusThe content status of the spreadsheet.
categoryThe category of the spreadsheet.
companyThe company of the spreadsheet.
managerThe manager of the spreadsheet.
authorThe name of the spreadsheet’s author.
last-authorThe name of the last spreadsheet’s author.
hyperlink-baseThe base string used for evaluating relative hyperlinks in this spreadsheet.
applicationThe name of the application.
application-versionThe version number of the application that created the spreadsheet.
templateThe informational name of the spreadsheet template.
created-timeThe time of the spreadsheet creation.
last-saved-timeThe time of the the spreadsheet when it was last saved.
last-printed-timeThe time of the spreadsheet when it was last printed.
revision-numberThe spreadsheet revision number.
total-editing-timeThe total editing time in minutes.

Here are the steps to extract metadata from Microsoft Office Excel spreadsheet:

  • Instantiate Parser object for the initial spreadsheet;
  • Call GetMetadata method and obtain collection of document metadata objects;
  • Iterate through the collection and get metadata names and values.

The following example demonstrates how to extract metadata from Excel spreadsheet:

// Create an instance of Parser class
using(Parser parser = new Parser(filePath))
{
    // Extract metadata from the spreadsheet
    IEnumerable<MetadataItem> metadata = parser.GetMetadata();
 
    // Iterate over metadata items
    foreach(MetadataItem item in metadata)
    {
        // Print the item name and value
        Console.WriteLine(string.Format("{0}: {1}", item.Name, item.Value));
    }
}

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