By using Aspose.Total for Java you can integrate MHTML to XLSM conversion feature in your Java applications in two-step process. Firstly, by using Aspose.PDF for Java you can render MHTML to XLSX. In the second step, you can convert XLSX to XLSM by using Spreadsheet Programming API Aspose.Cells for Java .
Convert MHTML File to XLSM via Java
Get Started with Java File Format APIs
Convert Protected MHTML to XLSM via Java
If your MHTML document is password protected, you cannot convert it to XLSM without the password. Using the API, you can first open the protected document using a valid password and convert it after it. In order to open the encrypted file, you can initialize a new instance of the Document class and pass filename and password as arguments.
Convert MHTML File to XLSM with Watermark via Java
While converting MHTML file to XLSM, you can also add watermark to your output XLSM file format. In order to add a watermark, create a new Workbook to open the converted XLSX file. Select Worksheet via its index, create a Shape and use its addTextEffect function, set colors, transparency and more. After that you can save your XLSX document as XLSM with Watermark.
Other Conversion Options
MHTML What is MHTML File Format?
Files with MHTML extension represent a web page archive format that can be created by a number of different applications. The format is known as archive format because it saves the web HTML code and associated resources in a single file. These resources include anything linked to the webpage such as images, applets, animations, audio files and so on. MHTML files can be opened in a variety of applications such as Internet Explorer and Microsoft Word. Microsoft Windows uses MHTML file format for recording scenarios of problems observed during the usage of any application on Windows that raises issues. The MHTML file format encodes the page contents similar to specifications defined in message/rfc822 which is plain text email related specifications. The actual specifications of the format are as detailed by RFC 2557.Read More
XLSM What is XLSM File Format?
Files with XLSM extension is a type of Spreadsheet files that support Macros. From application point of view, a Macro is set of instructions that are used for automating processes. A macro is used to record the steps that are performed repeatedly and facilitates performing the actions by running the macro again. Macros are programmed with Microsoft’s Visual Basic for Applications (VBA) from within the Excel Workbook using the Visual Basic Editor and can be run/debug directly from there.Read More