By using Aspose.Total for .NET you can convert POWERPOINT file to MHTML within any .NET, C#, ASP.NET and VB.NET application in two simple steps. Firstly, by using Aspose.Slides for .NET , you can export POWERPOINT to HTML. After that, by using Aspose.Cells for .NET Spreadsheet Programming API, you can convert HTML to MHTML.
How to Convert POWERPOINT to MHTML via C#
POWERPOINT File Conversion in C#
For POWERPOINT file to MHTML 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 POWERPOINT to MHTML via C#
While converting POWERPOINT file to MHTML, if your input POWERPOINT document is password protected you cannot convert it to MHTML 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 POWERPOINT to MHTML with Watermark via C#
While converting POWERPOINT file to MHTML, you can also add watermark to your output MHTML 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 MHTML with Watermark.