Convert RTF to XLSM in C# .NET

Convert RTF to XLSM & Add Watermark

Accurately convert documents (RTF 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 RTF 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 RTF 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 RTF to PDF

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

Load & Convert Cloud RTF Docs

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

Yes. You can easily convert RTF 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 RTF files to XLSM using C# code?

Converting RTF 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 RTF installed to perform RTF-to-XLSM conversions with C#?

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

How quickly does your online RTF-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 RTF files.

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

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

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

Definitely. You can automate the RTF-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 RTF 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 RTF sheets into a single XLSM using C#?

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

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

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

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

Absolutely. Our RTF-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 RTF 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 RTF files to XLSM in .NET?

Yes. Conholdate.Total for .NET supports the conversion of password-protected RTF 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 RTF 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 RTF file format?

RTF (Rich Text Format) is a document file format developed by Microsoft for cross-platform document interchange that can be used with a variety of word processing applications. It supports features such as text formatting (including font types, sizes, and colors), images, and page layout capabilities. RTF files are stored as plain text, which makes them compatible with virtually any application that supports text files. RTF files are popular for their flexibility and easy readability, as well as their cross-platform compatibility. They are commonly used for sharing documents between different word processing applications, as well as for sending documents as email attachments. The RTF format also offers an advantage in preserving the original formatting of a document. For example, if a word processor changes the default font, the RTF file will continue to display the original font. RTF files are relatively small and fast to load, and can be compressed when sending over the internet. RTF files are commonly used in business and academic settings, and are also a popular choice for online publishing. RTF is also used by many online writing and blogging tools, such as WordPress.

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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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