By using Aspose.Total for .NET you can convert PPTM file to XLAM within any .NET, C#, ASP.NET and VB.NET application in two simple steps. Firstly, by using Aspose.Slides for .NET , you can export PPTM to HTML. After that, by using Aspose.Cells for .NET Spreadsheet Programming API, you can convert HTML to XLAM.
How to Convert PPTM to XLAM via C#
PPTM File Conversion in C#
For PPTM file to XLAM Conversion in C#, please install the API from the command line as
nuget install Aspose.Total or via Package Manager Console of Visual Studio.
Alternatively, get the offline MSI installer or DLLs in a ZIP file from downloads .
Convert Protected PPTM to XLAM via C#
While converting PPTM file to XLAM, if your input PPTM document is password protected you cannot convert it to XLAM without decrypting the document. When your document is password protected, it means it enforces certain restrictions on the presentation. To remove the restrictions, the password has to be entered. A password-protected presentation is considered a locked presentation. The API allows you to open the encrypted document by passing the correct password in a LoadOptions object.
Convert PPTM to XLAM with Watermark via C#
While converting PPTM file to XLAM, you can also add watermark to your output XLAM file format. In order to add a watermark, you can create a new Workbook object and open the converted HTML document, select Worksheet via its index, create a Shape and use its AddTextEffect function. After that you can save your HTML document as XLAM with Watermark.