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Aspose.Cells  for .NET

Merge XLTM Formats in C#

Native and high performance XLTM document merger using server-side Aspose.Cells for .NET APIs, without the use of any software like Microsoft or Open Office, Adobe PDF.

How to Merge XLTM File Using C#

In order to merge XLTM file, we’ll use Aspose.Cells for .NET API which is a feature-rich, powerful and easy to use document manipulation and merging API for C# platform. Open NuGet package manager, search for Aspose.Cells and install. You may also use the following command from the Package Manager Console.

Command


PM> Install-Package Aspose.Cells

Steps for Merging XLTM Files in C#

A basic document merging and concatenating with Aspose.Cells for .NET APIs can be done with just few lines of code.

  • Load all the XLTM files with full path.
  • Make one document as the base file
  • Call the relevant method for concatenating and merging files one by one.
  • Call the Save() method and pass the file name (full path) and format (XLTM) as a parameter.
  • Now you can open and use the XLTM file in Microsoft Office, Adobe PDF or any other compatible program.

System Requirements

Our APIs are supported on all major platforms and Operating Systems. Before executing the code below, please make sure that you have the following prerequisites on your system.

  • Microsoft Windows or a compatible OS with .NET Framework, .NET Core, Mono or Xamarin Platforms
  • Development environment like Microsoft Visual Studio
  • Add reference to the Aspose.Cells for .NET DLL in your project - Install from NuGet using the Download button above
 

Merge XLTM Files - C#

 

Online XLTM Merger Live Demos

About Aspose.Cells for .NET API

Aspose.Cells API can be used to create, edit, convert and render Microsoft Excel formats to different formats. Moreover, it can be used for comprehensive charting, scalable reporting and reliable calculations within software applications. Aspose.Cells is a standalone API and it does not require any software like Microsoft or OpenOffice.

XLTM What is XLTM File Format

The XLTM file extension represents files that are generated by Microsoft Excel as Macro-enabled template files. XLTM files are similar to XLTX in structure other than that the later doesn't support creating template files with macros. Such template files are used to generate and set the layout, formatting, and other settings along with the macros to facilitate creating similar XLSX files then.

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Other Supported Merging Formats

Using C#, One can also merge many other file formats including.

CSV (Comma Separated Values)
HTML (Hyper Text Markup Language)
MHTML (Web Page Archive Format)
ODS (OpenDocument Spreadsheet File)
TSV (Tab-Separated Values)
TXT (Text Document)
XLS (Excel Binary Format)
XLSB (Binary Excel Workbook File)
XLSM (Spreadsheet File)
XLSX (OOXML Excel File)
XLT (Microsoft Excel Template)
XLTX (Office OpenXML Excel Template)