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Convert DOT to XLSM in C# .NET

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

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Convert DOT to XLSM in C# .NET

Follow these simple steps for DOT to XLSM conversion in .NET. View the converted XLSM 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 DOT document
  • Set the convert options for XLSM format
  • Call Convert method of Converter class instance for conversion to XLSM
  • Set options for HTML viewer
  • Create Viewer object to view converted XLSM as HTML

Free App for DOT to XLSM Conversion



Convert DOT to XLSM & Add Watermark

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

  • Create Converter object to convert DOT 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 XLSM

Load DOT 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 DOT to PDF

Easily convert password-protected DOT 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 DOT document
  • Instantiate PdfConvertOptions class
  • Call Convert method of Converter class instance for conversion to PDF

Load & Convert Cloud DOT Docs

Using Conholdate.Total for .NET – developers can load and convert DOT 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 DOT files to XLSM online without paying anything?

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

How do I convert DOT files to XLSM using C# code?

Converting DOT files to XLSM 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 DOT installed to perform DOT-to-XLSM conversions with C#?

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

How quickly does your online DOT-to-XLSM 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 DOT files.

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

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

Can I automate the DOT-to-XLSM conversion on my own servers?

Definitely. You can automate the DOT-to-XLSM 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 DOT files for online XLSM 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 DOT sheets into a single XLSM using C#?

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

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

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

Does the DOT to XLSM API work with .NET Core, .NET 5 and newer versions?

Absolutely. Our DOT-to-XLSM 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 XLSMs created from DOT files?

Yes. Conholdate.Total provides convenient features to enhance your XLSM documents. You can add watermarks for branding or confidentiality, apply password protection, and even customize other XLSM 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 DOT files to XLSM in .NET?

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

What are the licensing costs for Conholdate.Total’s DOT to XLSM 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 DOT file format?

DOT is a plain text graph description language used by the Graphviz visualization software. It is based on the DOT language developed by AT&T Labs for specifying graphs in a text-based format. The DOT format is simple and readable, allowing graphs to be rapidly written and edited. It also enables parts of large graphs to be quickly examined without having to edit the entire file. By encoding the graph structure in text, the DOT format makes it easy to share graph data with other programs. Graphs specified in the DOT format can be rendered into images using the Graphviz software.

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What is XLSM file format?

The XLSM file format is an extension of the XLSX file format used for Microsoft Excel workbooks. Similar to XLSX, it is based on the Open XML file format and is associated with the Excel application. The “M” in XLSM stands for “macro-enabled”, indicating that it supports the inclusion of macros.

XLSM files store spreadsheet data, including worksheets, formulas, charts, and other elements commonly found in Excel workbooks. Additionally, XLSM files allow the embedding of VBA (Visual Basic for Applications) macros within the workbook. Macros are scripts written in VBA that automate tasks, perform calculations, and interact with the spreadsheet data.

By including macros in XLSM files, users can create customized functions, automate repetitive tasks, and enhance the functionality of their Excel workbooks. Macros can be written to manipulate data, generate reports, perform complex calculations, or interact with other applications.

When opening an XLSM file, Excel prompts the user to enable or disable macros due to security concerns. Enabling macros allows the embedded VBA code to execute, while disabling macros prevents potential security risks associated with malicious code.

XLSM files provide advanced features and customization options for Excel users who require automation beyond the capabilities of the standard XLSX format. They are commonly used in business environments, financial modeling, data analysis, and other scenarios where complex calculations and automation are necessary.

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Popular DOT Conversion Options with .NET

Convert DOT to PDF

(Portable Document Format)

Convert DOT to EXCEL

(Spreadsheet Files)

Convert DOT to IMAGE

(Digital Image Files)

Convert DOT to DOC

(Microsoft Word Binary Format)

Convert DOT to DOCX

(Office 2007+ Word Document)

Convert DOT to DOCM

(Microsoft Word 2007 Marco File)

Convert DOT to DOT

(Microsoft Word Template Files)

Convert DOT to DOTX

(Microsoft Word Template File )

Convert DOT to DOTM

(Microsoft Word 2007+ Template File)

Convert DOT to TXT

(Text Document)

Convert DOT to RTF

(Rich Text Format)

Convert DOT to HTML

(Hyper Text Markup Language)

Convert DOT to HTM

(Hypertext Markup Language File)

Convert DOT to MHTML

(Web Page Archive Format)

Convert DOT to MHT

(MHTML Web Archive)

Convert DOT to XLS

(Microsoft Excel Spreadsheet (Legacy))

Convert DOT to XLSX

(Open XML Workbook)

Convert DOT to XLSM

(Macro-enabled Spreadsheet)

Convert DOT to XLSB

(Excel Binary Workbook)

Convert DOT to XLT

(Excel 97 - 2003 Template)

Convert DOT to XLTX

(Excel Template)

Convert DOT to XLTM

(Excel Macro-Enabled Template)

Convert DOT to XLAM

(Excel Macro-Enabled Add-In)

Convert DOT to CSV

(Comma Seperated Values)

Convert DOT to TSV

(Tab Seperated Values)

Convert DOT to DIF

(Data Interchange Format)

Convert DOT to SXC

(StarOffice Calc Spreadsheet)

Convert DOT to FODS

(OpenDocument Flat XML Spreadsheet)

Convert DOT to PPT

(Microsoft PowerPoint 97-2003)

Convert DOT to PPTX

(Open XML presentation Format)

Convert DOT to PPS

(PowerPoint Slide Show)

Convert DOT to PPSX

(PowerPoint Slide Show)

Convert DOT to PPSM

(Macro-enabled Slide Show)

Convert DOT to POT

(Microsoft PowerPoint Template Files)

Convert DOT to POTX

(Microsoft PowerPoint Template Presentation)

Convert DOT to PPTM

(Macro-enabled Presentation File)

Convert DOT to POTM

(Microsoft PowerPoint Template File)

Convert DOT to ODT

(OpenDocument Text File Format)

Convert DOT to OTT

(OpenDocument Standard Format)

Convert DOT to OTP

(OpenDocument Standard Format)

Convert DOT to ODP

(OpenDocument Presentation Format)

Convert DOT to ODS

(OpenDocument Spreadsheet)

Convert DOT to EMZ

(Windows Compressed Enhanced Metafile)

Convert DOT to WMZ

(Compressed Windows Metafile)

Convert DOT to SVG

(Scalar Vector Graphics)

Convert DOT to SVGZ

(Compressed Scalable Vector Graphics)

Convert DOT to XPS

(XML Paper Specifications)

Convert DOT to TEX

(LaTeX Source Document)

Convert DOT to DCM

(DICOM Image)

Convert DOT to WMF

(Windows Metafile)

Convert DOT to EMF

(Enhanced Metafile Format)

Convert DOT to BMP

(Bitmap Image File)

Convert DOT to PNG

(Portable Network Graphic)

Convert DOT to GIF

(Graphical Interchange Format)

Convert DOT to JPEG

(Joint Photographic Expert Group Image)

Convert DOT to TIFF

(Tagged Image File Format)

Convert DOT to WEBP

(Raster Web Image Format)

Convert DOT to JP2

(JPEG 2000 Core Image)

Convert DOT to TGA

(Truevision Graphics Adapter)

Convert DOT to PSB

(Photoshop Large Document Format)

Convert DOT to PSD

(Photoshop Document)

Convert DOT to EPUB

(Open eBook File)

Convert DOT to MD

(Markdown Language)

Convert DOT to FODP

(Formula One for Data Presentation)

Convert DOT to JPG

(Joint Photographic Expert Group Image)

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