This is a software tool that can convert HTM files into MHT formatted files quite easily.
This is a tool that helps convert HTML pages into the Microsoft archival format the MHT. This batch HTM to MHT Converter is HTM to MHT, HTML to MHTML/MIME-HTML Batch Converter for MIME HTML Web archiver. The conversion is automatic and in the batch mode it can take care of a bunch of pages quite easily and in one go. The tool has a search feature for locating files. The search supports the drag & drop functions from the interface. The interface is quite intuitive and just about anybody would be able to get productive with it in short time. When setting up the source and the destination folders you can directly browse the file directories. Sub-folders can be included automatically by clicking a check box.
The tool supports a project mode as well as a command line interface. What that gives you is that the work to be done can be carried over from session to session. Command line option makes it easy to run batches very quickly when you become familiar with the parameters. The utility gives you options of stop/pause of operations and resuming. The program is built with multi-threading capability. When you have multi-thread capable processor on your machine, you should get some real speed up in its operation. This is a good product and has many useful features. If you have a need here is a good candidate for trying out.