By default, Internet Explorer 7 resets the Zoom level to 100% for every new window and new tab opened. To preserve your Zoom Level setting, use these steps:
* Open Internet Explorer
* From the Tools menu, choose Internet Options
* Select the Advanced tab
* Under Accessibility, deselect the following option:
Reset Zoom level to 100% for new windows and tabs
* Click OK
The user specified Zoom level setting must be preserved from now on.