Aspose.Cells  for .NET

Insert comments in XLSB file via C#

Build your own .NET application to manipulate comments & authors in document files using server-side APIs.

Insert comments in XLSB File Using .NET

With Aspose.Cells for .NET library, you can easily insert comments in XLSB file programmatically with a few lines of code. Aspose.Cells for .NET is capable of building cross-platform applications with the ability to generate, modify, convert, render and print all Excel files. .NET Excel API not only convert between spreadsheet formats, it can also render Excel files as images, PDF, HTML, ODS, CSV, SVG, JSON, WORD, PPT and more, thus making it a perfect choice to exchange documents in industry-standard formats. Open NuGet package manager, search for Aspose.Cells and install. You may also use the following command from the Package Manager Console.

Package Manager Console Command

PM> Install-Package Aspose.Cells

System Requirements

Aspose.Cells for .NET is supported on all major operating systems. Just make sure that you have the following prerequisites.

  • Microsoft Windows or a compatible OS with .NET, .NET Core or Mono Platforms.
  • Development environment like Microsoft Visual Studio.
  • Our product is fully cross-platform and supports Windows, Linux, MacOS, Azure, AWS Lambda.

How to insert comments in XLSB file via C#

You need aspose.cells.dll to try the code in your environment.

  • Load XLSB file by creating an instance of Workbook
  • Insert comments to the Worksheet in a Cell
  • Save the workbook

In Office 365, comments are for conversations, you can use the following C# code to insert and remove comments in XLSB file.


C# sample code to Insert and remove comments in XLSB file

Free App to remove Annotations from XLSB file
Input file
  using Aspose.Cells;   
  var workbook = new Workbook("Input.xlsx");
  foreach (Worksheet _ws in workbook.Worksheets)

XLSB What is XLSB File Format?

XLSB file format specifies the Excel Binary File Format, which is a collection of records and structures that specify Excel workbook content. The content can include unstructured or semi-structured tables of numbers, text, or both numbers and text, formulas, external data connections, charts and images. Unlike XLSX (which is based on Open XML file format), the XLSB represents binary Excel workbook file. XLSB files can be read and written to faster which makes them useful for working with large files. XLSB is seldom used to store workbooks as XLSX (and previously XLS) are the most common user selected file formats for saving workbooks. It can be opened by Microsoft Office 2007 and above.

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Insert Comments to Other Supported Excel Formats

Using C#, one can easily insert comments in other Excel format files.

ODS (OpenDocument Spreadsheet File)
XLS (Excel Binary Format)
XLSB (Binary Excel Workbook File)
XLSM (Spreadsheet File)
XLSX (OOXML Excel File)