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Convert DOTM to XLSB in C# .NET

Integrate robust document conversion features into your .NET applications with Conholdate.Total API. Convert DOTM to XLSB and 100+ other file formats without Microsoft Office dependencies. Major features include fully functional C# code examples with options for customizable DOTM document, batch conversion, password protection & auto-detection of DOC, DOCX, DOTX & TXT file formats. It supports .NET Framework & .NET Core. Try our free online DOTM to XLSB converter tool & streamline document processing in your .NET projects.

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Convert DOTM to XLSB in C# .NET

Follow these simple steps for DOTM to XLSB conversion in .NET. View the converted XLSB document as it is or render and display it as HTML without using any external software or .NET Word library.

Get the respective assembly files from the downloads or fetch the whole package from NuGet to add Conholdate.Total for .NET directly in your workspace.

  • Create Converter object to convert DOTM document
  • Set the convert options for XLSB format
  • Call Convert method of Converter class instance for conversion to XLSB
  • Set options for HTML viewer
  • Create Viewer object to view converted XLSB as HTML

Free App for DOTM to XLSB Conversion



Convert DOTM to XLSB & Add Watermark

Accurately convert documents (DOTM to XLSB) exactly as the original file and apply text or image watermarks to XLSB pages using .NET document processing API for Word documents.

  • Create Converter object to convert DOTM document
  • Create new instance of WatermarkOptions class
  • Specify watermark properties (color, width, text, image etc)
  • Instantiate the proper ConvertOptions class
  • Set Watermark property of the ConvertOptions instance
  • Call Convert method of Converter class instance for conversion to XLSB

Load DOTM with Advanced Options

During the file conversion process, a wide range of modifications can be made to suit your specific needs. These include specifying passwords for password-protected documents, showing or hiding document comments and annotations, displaying markup and track changes for Word documents, and more.

Additionally, Excel files can have hidden spreadsheets made visible and text file encoding can be set. The Conholdate.Total for .NET API makes it easy to customize your document conversion process with these advanced options.


Convert Password Protected DOTM to PDF

Easily convert password-protected DOTM to PDF in .NET with Conholdate.Total APIs. No external software needed. Just a few lines of C# code for precise conversion.

  • Define LoadOptions and set password from document specific load options
  • Create Converter object to convert DOTM document
  • Instantiate PdfConvertOptions class
  • Call Convert method of Converter class instance for conversion to PDF

Load & Convert Cloud DOTM Docs

Using Conholdate.Total for .NET – developers can load and convert DOTM documents from various remote locations and cloud document storage resources such as Amazon S3, Microsoft Azure Blob, FTP, local disk, stream or a simple URL. You just have to specify the method to obtain remotely located document stream and then pass it on to the Converter class as a constructor.

Conholdate.Total for .NET APIs are native to Windows Forms, ASP.NET, WPF, WCF or any type of application based on .NET Framework 2.0, .NET Core 2.1 or .NET 5 and higher.


Frequently Asked Questions (FAQs)

Can I convert DOTM files to XLSB online without paying anything?

Yes. You can easily convert DOTM files to XLSB online using our completely free converter. It requires no software installation or user registration. Just upload your file, convert and download your XLSB.

How do I convert DOTM files to XLSB using C# code?

Converting DOTM files to XLSB using C# is straightforward with the Conholdate.Total for .NET APIs. We provide practical, ready-to-use code samples and clear documentation to simplify the integration into your applications.

Do I need to have Microsoft DOTM installed to perform DOTM-to-XLSB conversions with C#?

No. you don’t need Microsoft DOTM installed. Conholdate.Total APIs operate independently, allowing you to convert DOTM documents directly to XLSB format within your .NET applications without DOTM itself.

How quickly does your online DOTM-to-XLSB converter work?

Our online converter is built for speed and efficiency. Most conversions take just a few seconds—even when dealing with larger or more complex DOTM files.

Will the online converter preserve formulas and hyperlinks from my DOTM files?

Our online DOTM-to-XLSB converter keeps all your hyperlinks, images, charts and formatting intact. However, DOTM formulas are converted into their resulting values in the final XLSB, ensuring an accurate and readable document.

Can I automate the DOTM-to-XLSB conversion on my own servers?

Definitely. You can automate the DOTM-to-XLSB conversion process using Conholdate.Total for .NET. It’s perfect for handling batch jobs, scheduled conversions, or integrating seamlessly into your backend workflows.

Is it safe to upload my DOTM files for online XLSB conversion?

Your security and privacy are extremely important to us. Uploaded files are securely processed and automatically deleted from our servers shortly afterward, ensuring your data remains confidential.

Can I convert several DOTM sheets into a single XLSB using C#?

Yes, you can. Conholdate.Total allows you to select and combine multiple sheets from your DOTM workbook into a single XLSB document effortlessly.

Does Conholdate.Total for .NET support batch DOTM files conversion to other formats?

Yes. Conholdate.Total for .NET supports batch conversion of DOTM documents, allowing developers to convert multiple files at once.

Does the DOTM to XLSB API work with .NET Core, .NET 5 and newer versions?

Absolutely. Our DOTM-to-XLSB conversion API supports all modern .NET frameworks, including .NET Core, .NET 5, .NET 6, and even .NET 7. This gives you flexibility regardless of your project environment.

Can I add watermarks or passwords to XLSBs created from DOTM files?

Yes. Conholdate.Total provides convenient features to enhance your XLSB documents. You can add watermarks for branding or confidentiality, apply password protection, and even customize other XLSB security settings easily during the conversion process.

What file formats for documents and images are supported by Conholdate.Total for .NET?

Conholdate.Total for .NET integrates APIs from Aspose and GroupDocs to enable .NET programmers to perform various document manipulation actions on a wide range of file formats including Word, Excel, PDF, PowerPoint, Visio, HTML and images in .NET, C#, ASP.NET and VB.NET applications.

Can I convert password-protected DOTM files to XLSB in .NET?

Yes. Conholdate.Total for .NET supports the conversion of password-protected DOTM files. With built-in methods to handle encrypted documents, you can securely convert sensitive files to XLSB while preserving their confidentiality and integrity.

What are the licensing costs for Conholdate.Total’s DOTM to XLSB conversion API?

Conholdate.Total for .NET offers a fully functional free trial version for 30 days. Paid plans are available for higher usage levels. Developers should carefully review the pricing and licensing terms before using the document conversion API.

What is DOTM file format?

The DOTM file format is a file format developed by Microsoft to be used in conjunction with the Office Open XML file formats. The DOTM file format is not compatible with other Office formats such as DOCX and PPTX, so it needs to be converted before it can be used. The DOTM file format contains documents, templates, and macros that can be used to automate tasks within Microsoft Office applications. It is used to store information that is shared between Office applications. The DOTM file format was introduced in the Office 2007 and the later releases of the Office suite. With DOTM files, users can create a template, add macros to it, and save it for use in any Office application. This allows for quick and easy sharing of data across multiple applications. Furthermore, it also ensures that all Office applications can access the same data, making it easier to collaborate on projects. The DOTM file format is useful for quickly creating templates and macros that can be used across multiple Office applications. It also allows users to store data securely, making sure that only authorized personnel can access it. Finally, it helps to ensure that users can quickly and easily share data across different Office applications.

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What is XLSB file format?

The XLSB file format is a binary file format used for Microsoft Excel workbooks. Unlike the XLSX and XLSM file formats, which are based on the Open XML format, XLSB is a binary format that stores data in a binary structure. This binary structure allows for faster file processing and improved performance compared to the XML-based formats.

XLSB files contain spreadsheet data, including worksheets, formulas, charts, and other elements commonly found in Excel workbooks. The binary format optimizes storage and calculation efficiency, making it well-suited for large datasets and complex calculations. It also provides better data integrity and recovery capabilities, as the binary structure reduces the risk of file corruption.

Due to its binary nature, XLSB files are not easily readable or editable by humans. They are primarily intended for use by Excel and other applications that can read and process the binary format. However, Excel provides full compatibility and support for opening, editing, and saving XLSB files.

The advantages of using XLSB files include faster file operations, reduced file size compared to XML-based formats, and improved performance in terms of opening, saving, and recalculating complex workbooks. XLSB files are particularly useful for workbooks that involve large amounts of data or complex formulas.

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Popular DOTM Conversion Options with .NET

Convert DOTM to PDF

(Portable Document Format)

Convert DOTM to EXCEL

(Spreadsheet Files)

Convert DOTM to IMAGE

(Digital Image Files)

Convert DOTM to DOC

(Microsoft Word Binary Format)

Convert DOTM to DOCX

(Office 2007+ Word Document)

Convert DOTM to DOCM

(Microsoft Word 2007 Marco File)

Convert DOTM to DOT

(Microsoft Word Template Files)

Convert DOTM to DOTX

(Microsoft Word Template File )

Convert DOTM to DOTM

(Microsoft Word 2007+ Template File)

Convert DOTM to TXT

(Text Document)

Convert DOTM to RTF

(Rich Text Format)

Convert DOTM to HTML

(Hyper Text Markup Language)

Convert DOTM to HTM

(Hypertext Markup Language File)

Convert DOTM to MHTML

(Web Page Archive Format)

Convert DOTM to MHT

(MHTML Web Archive)

Convert DOTM to XLS

(Microsoft Excel Spreadsheet (Legacy))

Convert DOTM to XLSX

(Open XML Workbook)

Convert DOTM to XLSM

(Macro-enabled Spreadsheet)

Convert DOTM to XLSB

(Excel Binary Workbook)

Convert DOTM to XLT

(Excel 97 - 2003 Template)

Convert DOTM to XLTX

(Excel Template)

Convert DOTM to XLTM

(Excel Macro-Enabled Template)

Convert DOTM to XLAM

(Excel Macro-Enabled Add-In)

Convert DOTM to CSV

(Comma Seperated Values)

Convert DOTM to TSV

(Tab Seperated Values)

Convert DOTM to DIF

(Data Interchange Format)

Convert DOTM to SXC

(StarOffice Calc Spreadsheet)

Convert DOTM to FODS

(OpenDocument Flat XML Spreadsheet)

Convert DOTM to PPT

(Microsoft PowerPoint 97-2003)

Convert DOTM to PPTX

(Open XML presentation Format)

Convert DOTM to PPS

(PowerPoint Slide Show)

Convert DOTM to PPSX

(PowerPoint Slide Show)

Convert DOTM to PPSM

(Macro-enabled Slide Show)

Convert DOTM to POT

(Microsoft PowerPoint Template Files)

Convert DOTM to POTX

(Microsoft PowerPoint Template Presentation)

Convert DOTM to PPTM

(Macro-enabled Presentation File)

Convert DOTM to POTM

(Microsoft PowerPoint Template File)

Convert DOTM to ODT

(OpenDocument Text File Format)

Convert DOTM to OTT

(OpenDocument Standard Format)

Convert DOTM to OTP

(OpenDocument Standard Format)

Convert DOTM to ODP

(OpenDocument Presentation Format)

Convert DOTM to ODS

(OpenDocument Spreadsheet)

Convert DOTM to EMZ

(Windows Compressed Enhanced Metafile)

Convert DOTM to WMZ

(Compressed Windows Metafile)

Convert DOTM to SVG

(Scalar Vector Graphics)

Convert DOTM to SVGZ

(Compressed Scalable Vector Graphics)

Convert DOTM to XPS

(XML Paper Specifications)

Convert DOTM to TEX

(LaTeX Source Document)

Convert DOTM to DCM

(DICOM Image)

Convert DOTM to WMF

(Windows Metafile)

Convert DOTM to EMF

(Enhanced Metafile Format)

Convert DOTM to BMP

(Bitmap Image File)

Convert DOTM to PNG

(Portable Network Graphic)

Convert DOTM to GIF

(Graphical Interchange Format)

Convert DOTM to JPEG

(Joint Photographic Expert Group Image)

Convert DOTM to TIFF

(Tagged Image File Format)

Convert DOTM to WEBP

(Raster Web Image Format)

Convert DOTM to JP2

(JPEG 2000 Core Image)

Convert DOTM to TGA

(Truevision Graphics Adapter)

Convert DOTM to PSB

(Photoshop Large Document Format)

Convert DOTM to PSD

(Photoshop Document)

Convert DOTM to EPUB

(Open eBook File)

Convert DOTM to MD

(Markdown Language)

Convert DOTM to FODP

(Formula One for Data Presentation)

Convert DOTM to JPG

(Joint Photographic Expert Group Image)

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