You can change the amount of space that is allocated to the Temporary Internet Files folder. However, you may experience a decrease in performance is the value is set too high or too low. For example, if the amount of disk space available for the folder is set too high, it may fill a large portion of your hard drive with outdated information (remember many Web sites are updated on a regular basis). On the other hand, configuring a value that is too low can increase the amount of time to display Web pages.

When the size of the folder reaches the maximum amount of available disk space, the older files are removed as necessary to make room as needed. So when you are configuring the amount of disk space the folder can use, keep in mind that if you set the folder size too high, you may be retaining Web site information that is outdated. Conversely setting the maximum size too low may degrade performance since the Web sites stored in this folder load significantly faster than having to re-download the site from the Internet. You can adjust this setting from the General tab of the Internet Options dialog box. Click the Settings button and type the new maximum size of the Temporary Internet files folder.