Now all of the files on this volume will be included

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right here and I'm going to hit OK, and now notice that my E drive is added to the list of included locations. Now, all of the files on this volume will be included in the indexing process. Including Specific Types of Files 3:07-5:55 Now, in addition to specifying indexing locations, we can also specify the types of files that we want to index. That's done by clicking on advanced right here. The advanced options screen provides us with additional options that specify what kind of files we want to index. If you think about it, there are lots of different types of files on a typical Windows system that you probably don't care about. You don't interact with them regularly, and you don't really care about finding them quickly as a result. But there are other types of files that you do interact with a lot, and you want to find those types of files quickly. You can specify what type of files to include under advanced options. Let's go over to the file types tab and here, we can see a list of file extensions and whether or not they're going to be indexed. If there's a check mark next to that particular file extension, it will be included in the indexing process. For example, we have bitmap files. Bitmap files in the included locations will be included in the indexing process. Now, in addition to specifying what types of files to index, we can also specify how much of the file should be indexed. For example, let's scroll down hereto our Word files, .doc and .docx files right here. These are the files created by our Office suite when we open up Microsoft Word and save a file.Notice down here under "How should this file be indexed?" it says Index Properties and File Contents.Because this is a Word processing file, we want the index in the engine to index the properties of the file, such as its name and size and so on, as well as the actual contents of the file. In this way, we can search not only by file name but we can also search for text within that file as well. So if we go back up here to our bitmap file, .bmp extension, notice that the selection under "How should this file be indexed?" has changed. It says Index Properties Only. Why? Because there's no text in a bitmap file.It's an image and hence, we really can't index the file content. Word files, on the other hand, are text files, and we do want to be able to index the contents of the file. Now, you're not limited to just the list of file types listed here. If you need to, you can add a new extension to the list and then specify how those file types should be indexed. For example, let's suppose I add a new application to my system and it saves files in a format called .dgm. I can add the .dgm extension to my list of file types and by default, it's included in the indexing process. We have a checkmark here. And then I can specify how the file should be indexed. Let's suppose that .dgm files are binary files that don't contain straight text, therefore, we don't want to include the file contents in the indexing process. We only want to index the properties of the file. To do that, I would click OK, and it's been added.
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