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Searching (part 1) - Changing Search and Indexing Settings

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10/24/2011 11:07:57 AM

Searching

The Search function has been greatly refined in Windows 7 compared to Vista and previous Windows editions. Called Desktop Search (or Search, for short), Windows 7 lets you search for files, folders, email messages, hard drives, PCs, and much more, whether the items are local or remote. You can search from the Search box on the Start menu, or use the familiar Search feature in Computer or Windows Explorer.

In addition, Windows 7 introduces a new technology referred to as federated search, which enables you to use something called a search connector to easily find web-based applications on internal and external sites, right from your Search tool.

Types of Searching

Windows 7 uses two different types of searching:

  • Intermediate searching— Uses an index to find objects with filenames that you type into the Search box in Windows as well as in the Start menu. Like the index of a book, Windows 7 stores information about files such as the filename, file date, and properties, including words in a document. As you type your search criteria into the Search box, the list of programs changes to show you files that meet that criteria based on what Windows 7 finds in the index. The big advantage to intermediate searching is that it’s fast, but it only uses one criteria (the filename), so if you need more information you need deep searching.

  • Deep searching— Lets you search for different and multiple criteria such as the filename, the date the file was saved, and the location in which the file was saved. You can use Boolean arguments such as AND and OR as well as “greater than” and “less than” to help Windows 7 search for the files you need. For example, you may want to search for a file that was saved before (or less than) a certain date. You can also use wildcards in filenames to search for filenames that contain letters in certain places. For example, if you want to search for files that start with the letter N and end with the letter W, you would type N*W as the filename to search for; the asterisk represents all characters and any number of characters between N and W. In this case, Windows 7 would also find folders in which a parent folder begins with N and the child folder begins with W, such as \Notebooks\Work.

Search Feature Variations

The Search feature in Computer and Windows Explorer is not exactly the same as the Search box in the Start menu or the Live Search feature in Internet Explorer 8.

The Search feature in the Start menu searches for programs, Control Panel items, Internet favorites, and websites you have visited that are in your web history, in addition to documents, music, videos, and email messages. When you use the search engine in Internet Explorer 8 (be it the default Live Search or another search engine), that search engine searches the Web, not your computer.

What’s more, the Search feature doesn’t exist in some Windows 7 components (such as Windows Help and Support) or in many third-party programs, which include older programs such as Microsoft Office 2003.


Changing Search and Indexing Settings

Note while reading this section that we’re describing the built-in Windows 7 Search features. Your system might have a different search tool installed, such as Google Desktop Search, Yahoo Widgets, or some other brand—those tools will operate differently. You’ll have to refer to those tools’ help files or websites to learn how they work. However, you might want to know that you can choose which program will do your searching for you, and even switch back and forth between the programs you want to use as your default. Choose Start, Default Programs, Set Your Default Programs, and you’ll see a screen that allows you to change which search tool to use by default.

Windows 7 indexes most common files on your computer, including all the files in your personal folder, your email, your offline files, Internet Explorer History, and the Start menu. Program files and system files are not indexed because Microsoft says those files are rarely searched.

That doesn’t mean that Windows 7 won’t search nonindexed files. Windows 7 searches filenames and contents in indexed locations and only searches filenames in nonindexed files by default. You can change this default in the Folder Options dialog box from Computer or Windows Explorer.

Open the Folder Options dialog box by clicking the Organize button in the menu toolbar and then clicking Folder and Search Options. In the Folder Options dialog box, click the Search tab, which appears as shown in Figure 1.

Figure 1. The Search tab of the Folder Options dialog box lets you choose indexing options.


You determine what to search in the What to Search area at the top of the tab. Your other option is to have Windows 7 search filenames and contents in all files. This type of search could be a lot slower than the default, depending on how many files you’re searching. When you search nonindexed locations, you can also tell Windows 7 whether you want to include system directories and compressed files at the bottom of the tab.

In the How to Search area in the middle of the tab, the default search parameters are to search in subfolders and to find partial matches. You can also decide how to search, including using natural language search (where you get to ask a question), and turn off the index. If you decide you don’t like your changes and want to revert to the defaults, click Restore Defaults.

The Indexing Options applet in the Control Panel also lets you view the state of the index and make changes to the file types and folders you want to index. Open the Indexing Options applet by clicking Start, Control Panel, and then Indexing Options (in Icons view). The Indexing Options window appears as shown in Figure 2.

Figure 2. The Indexing Options window.

The Indexing Options window shows how many items are indexed and which folder locations have indexed files. You can modify the folder locations by clicking Modify. If you want to really drill down when configuring your index, click Advanced. The Advanced Options dialog box appears so that you can index encrypted files, delete and rebuild your index, and set the index location.

If you click the File Types tab, as shown in Figure 3, you can scroll down the list and add and remove files to index categorized by file extension. You can also tell Windows 7 whether you want the file to be indexed by properties only or by properties and file contents. If you don’t see the extension in the list, type the file extension in the Add New Extension to List text box at the bottom of the tab and then click Add.

Figure 3. The File Types tab in the Advanced Options dialog box.

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