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Convert DOTM to ICO in C# .NET

Integrate robust document conversion features into your .NET applications with Conholdate.Total API. Convert DOTM to ICO 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 ICO converter tool & streamline document processing in your .NET projects.

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Convert DOTM to ICO in C# .NET

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

Free App for DOTM to ICO Conversion



Convert DOTM to ICO & Add Watermark

Accurately convert documents (DOTM to ICO) exactly as the original file and apply text or image watermarks to ICO 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 ICO

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 ICO online without paying anything?

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

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

Converting DOTM files to ICO 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-ICO conversions with C#?

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

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

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

Definitely. You can automate the DOTM-to-ICO 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 ICO 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 ICO using C#?

Yes, you can. Conholdate.Total allows you to select and combine multiple sheets from your DOTM workbook into a single ICO 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 ICO API work with .NET Core, .NET 5 and newer versions?

Absolutely. Our DOTM-to-ICO 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 ICOs created from DOTM files?

Yes. Conholdate.Total provides convenient features to enhance your ICO documents. You can add watermarks for branding or confidentiality, apply password protection, and even customize other ICO 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 ICO 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 ICO while preserving their confidentiality and integrity.

What are the licensing costs for Conholdate.Total’s DOTM to ICO 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 ICO file format?

ICO (or .ICO) is a file extension for an image file format used to store computer icon images. ICO files are used to store small images, such as icons for Windows programs and files, which can be in colour depths ranging from 1-bit to 32-bit. The ICO file format is an image file format that enables computer icons to be used in the Windows operating system and other Microsoft applications. ICO files can contain multiple images in various sizes and colours, and are usually used in programs such as web browsers, web sites and Windows. The ICO format makes it easy to quickly create and implement icons across multiple platforms, and they are extremely popular in the development world.

It is important to note that ICO files are not limited to Windows applications and can also be used to store favicons, website icons, and folder icons. Additionally, ICO files can be converted to other image file formats, such as GIF and PNG.

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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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