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Convert XLS File to SXC in C#

The native XLS file conversion API makes it easy to convert XLS to SXC in C#, VB.NET, and ASP.NET applications. It supports highly-accurate conversion of popular Excel worksheet formats to and from Word documents (DOC, DOCX), PowerPoint presentations (PPT,PPTX), PDF, Photoshop (PSD, PSB), eBook (EPUB), web (HTML, XML, JSON) and image file formats (JPG, PNG, BMP, PNG) without using any external tool or a third party API. The advanced XLS document manipulation and conversion features allow you to programmatically add watermarks, select different page numbers or ranges in the source XLS document that you want to convert; customize the appearance of it and save it as SXC document using a few lines of C# code. The online XLS to SXC converter tool is free to use and efficiently showcases the conversion functionality inherited in Conholdate.Total for .NET APIs. No registration required – just upload your XLS file and get your SXC file in seconds.

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Convert XLS to SXC in .NET

Follow these simple steps to convert XLS files to SXC in .NET. You can view the converted files as they are, or render and display them as HTML without using any external software.

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

Free App for XLS to SXC Conversion



Convert XLS to PDF/Word/HTML/PPTX in C#

Convert your XLS files to other popular documents formats such as PDF, HTML, PowerPoint presentations and Word processing documents using C# .NET code. Load the source XLS file and save it as a converted document in some other document format such as PDF, DOCX, HTML or PPTX.

  • Create Converter object and pass source XLS file to it
  • Instantiate the proper ConvertOptions class e.g. (PdfConvertOptions for conversion to PDF, WordProcessingConvertOptions for conversion to Word formats, MarkupConvertOptions for conversion to HTML, PresentationConvertOptions for conversion to PowerPoint formats)
  • Call Convert method of Converter class instance for conversion to PDF/HTML/PPTX or Word document format

Auto-Cache Converted SXC Document

In certain situations, the converted document may have a larger file size and require additional time for conversion. By default, the cached converted documents are stored locally. However, with Conholdate.Total for .NET, you can take advantage of the custom cache implementation feature using the iCache interface. This allows you to efficiently manage and customize the storage of conversion results according to your specific requirements. By implementing this feature, you can significantly improve the repetitive conversion process.

The .NET Excel conversion library offers comprehensive support for converting to and from password protected archives. Additionally, it provides the ability to compress the conversion results into various archive formats, including ZIP, RAR, 7Z, TAR, GZ, and BZ2.


Convert XLS to SXC with Watermarks

Accurately convert XLS to SXC exactly as the original source file and apply text or image watermarks to SXC pages using C# .NET.

  • Create Converter object to convert XLS 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 SXC

Extract XLS Document Information

Discover valuable file-format specific information using the document information extraction feature. Obtain basic details from the source document file (XLS) and extract additional data, including project start and end dates from Microsoft Project files, printing restrictions from PDF documents, and a list of enclosed folders from Outlook data files.

Easily convert popular document file formats across various operating systems including Windows, Linux, and macOS. Seamlessly utilize platforms such as Windows Azure, Mono, and Xamarin for efficient document conversions.


Convert JSON File to XLS in .NET

Converting a JSON file to XLS in .NET is now easier with Conholdate.Total for .NET APIs. Easily leverage JSON files as data sources and precisely convert them to Excel spreadsheet format (XLS) using just a few lines of C# code, all without the need for external software.

  • Create Converter object to convert JSON file
  • Instantiate SpreadsheetConvertOptions class
  • Call Convert method of Converter class instance for conversion to XLSX

Remote XLS Conversion Simplified

With Conholdate.Total for .NET, developers can follow a simple method to load and convert XLS documents from remote locations and cloud-based document storage resources. Supported sources include Amazon S3, Microsoft Azure Blob, FTP, local disk, stream, and simple URLs. By specifying the appropriate method to obtain the remotely located document stream, programmers can easily pass it on to the Converter class as a constructor, enabling seamless conversion capabilities.

The Conholdate.Total for .NET APIs seamlessly integrate with various application types based on the .NET Framework 2.0 or later, including Windows Forms, ASP.NET, WPF, and WCF. Enjoy the native compatibility and leverage the APIs’ functionality within your preferred .NET application environment.


Frequently Asked Questions (FAQs)

Can I convert XLS files to SXC online without paying anything?

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

How do I convert XLS files to SXC using C# code?

Converting XLS files to SXC 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 XLS installed to perform XLS-to-SXC conversions with C#?

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

How quickly does your online XLS-to-SXC 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 XLS files.

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

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

Can I automate the XLS-to-SXC conversion on my own servers?

Definitely! You can automate the XLS-to-SXC 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 XLS files for online SXC 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 XLS sheets into a single SXC using C#?

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

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

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

Does the XLS to SXC API work with .NET Core, .NET 5 and newer versions?

Absolutely. Our XLS-to-SXC 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 SXCs created from XLS files?

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

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

What are the licensing costs for Conholdate.Total’s XLS to SXC 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 XLS file format?

The XLS file format is a file format used by Microsoft Excel, an application for spreadsheet and graphing. It is an updated version of the XLS file format that was introduced in Excel 97. The XLS file format is a spreadsheet format and can be used to store data in cells arranged in a tabular format. It can be used to create charts and graphs, along with other features such as formulas, variables and macros.

XLS files can be protected with passwords and encryption, allowing users to protect sensitive data. They also support multiple sheets, so they can contain large amounts of data. XLS files can be opened and read by a wide variety of software, including Microsoft Excel and other spreadsheet applications.

XLS files are compatible with a variety of operating systems and devices, making them a popular choice for storing, sharing and transferring data. They are usually used for data analysis, report-building, simulations and other business operations.

XLS files are also used for statistical analysis. They are used to visually display data in the form of charts, graphs and tables. They can also be used to store and analyze large amounts of data.

Overall, the XLS file format is an important file format used for storing and sharing data. It is used for data storage, analysis and report-building. It is compatible with a variety of different operating systems and devices, making it a popular choice for businesses.

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What is SXC file format?

SXC is a file format used by the open source office suite called OpenOffice.org. It stands for StarOffice XML Calc, where StarOffice is the original name of the suite. The SXC format is a compressed native format that stores spreadsheets made with OpenOffice.org, or any other programs based on the OpenOffice.org technology, such as the LibreOffice software. SXC files contain all the information associated with a spreadsheet, including formulas, formatting, and cell data. They are typically used to store and share spreadsheets between different systems and applications. The SXC format is supported by several other programs, but some may require the use of a converter or plugin to open or edit the file.

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Popular XLS Conversion Options with .NET

Convert XLS to PDF

(Portable Document Format)

Convert XLS to WORD

(Word Processing Files)

Convert XLS to IMAGE

(Digital Image Files)

Convert XLS to DOC

(Microsoft Word Binary Format)

Convert XLS to DOCX

(Office 2007+ Word Document)

Convert XLS to DOCM

(Microsoft Word 2007 Marco File)

Convert XLS to DOT

(Microsoft Word Template Files)

Convert XLS to DOTX

(Microsoft Word Template File )

Convert XLS to DOTM

(Microsoft Word 2007+ Template File)

Convert XLS to TXT

(Text Document)

Convert XLS to RTF

(Rich Text Format)

Convert XLS to HTML

(Hyper Text Markup Language)

Convert XLS to HTM

(Hypertext Markup Language File)

Convert XLS to MHTML

(Web Page Archive Format)

Convert XLS to MHT

(MHTML Web Archive)

Convert XLS to XLS

(Microsoft Excel Spreadsheet (Legacy))

Convert XLS to XLSX

(Open XML Workbook)

Convert XLS to XLSM

(Macro-enabled Spreadsheet)

Convert XLS to XLSB

(Excel Binary Workbook)

Convert XLS to XLT

(Excel 97 - 2003 Template)

Convert XLS to XLTX

(Excel Template)

Convert XLS to XLTM

(Excel Macro-Enabled Template)

Convert XLS to XLAM

(Excel Macro-Enabled Add-In)

Convert XLS to CSV

(Comma Seperated Values)

Convert XLS to TSV

(Tab Seperated Values)

Convert XLS to DIF

(Data Interchange Format)

Convert XLS to SXC

(StarOffice Calc Spreadsheet)

Convert XLS to FODS

(OpenDocument Flat XML Spreadsheet)

Convert XLS to PPT

(Microsoft PowerPoint 97-2003)

Convert XLS to PPTX

(Open XML presentation Format)

Convert XLS to PPS

(PowerPoint Slide Show)

Convert XLS to PPSX

(PowerPoint Slide Show)

Convert XLS to PPSM

(Macro-enabled Slide Show)

Convert XLS to POT

(Microsoft PowerPoint Template Files)

Convert XLS to POTX

(Microsoft PowerPoint Template Presentation)

Convert XLS to PPTM

(Macro-enabled Presentation File)

Convert XLS to POTM

(Microsoft PowerPoint Template File)

Convert XLS to ODT

(OpenDocument Text File Format)

Convert XLS to OTT

(OpenDocument Standard Format)

Convert XLS to OTP

(OpenDocument Standard Format)

Convert XLS to ODP

(OpenDocument Presentation Format)

Convert XLS to ODS

(OpenDocument Spreadsheet)

Convert XLS to EMZ

(Windows Compressed Enhanced Metafile)

Convert XLS to WMZ

(Compressed Windows Metafile)

Convert XLS to SVG

(Scalar Vector Graphics)

Convert XLS to SVGZ

(Compressed Scalable Vector Graphics)

Convert XLS to XPS

(XML Paper Specifications)

Convert XLS to TEX

(LaTeX Source Document)

Convert XLS to DCM

(DICOM Image)

Convert XLS to WMF

(Windows Metafile)

Convert XLS to EMF

(Enhanced Metafile Format)

Convert XLS to BMP

(Bitmap Image File)

Convert XLS to PNG

(Portable Network Graphic)

Convert XLS to GIF

(Graphical Interchange Format)

Convert XLS to JPEG

(Joint Photographic Expert Group Image)

Convert XLS to JPG

(Joint Photographic Expert Group Image)

Convert XLS to TIFF

(Tagged Image File Format)

Convert XLS to WEBP

(Raster Web Image Format)

Convert XLS to JP2

(JPEG 2000 Core Image)

Convert XLS to TGA

(Truevision Graphics Adapter)

Convert XLS to PSB

(Photoshop Large Document Format)

Convert XLS to PSD

(Photoshop Document)

Convert XLS to EPUB

(Open eBook File)

Convert XLS to MD

(Markdown Language)

Convert XLS to JSON

(JavaScript Object Notation File)

Convert XLS to FODP

(Formula One for Data Presentation)

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