Originally Posted by
smokedetector
I've saved it as a webpage
Ok, that's half of it. The screenshot below
is for XP for anyone wanting to do this with XP. Unfortunately...
Originally Posted by
smokedetector
I don't know where the active desktop options, web tab, or customize desktop options are.
... I dig some digging for Vista. Active Desktop functionality was dropped in Vista in favor of sidebars. Bummer. I found
How-To Geek: "Active Desktop" Replacement for Vista which shows images of web pages, but the link to the software no longer seems to work. Also there is
Windows Live Gallery: Eye on the Web. Note that an "image-ized" Excel file would not be edit-able as could be done in XP with Active Desktop. So, basically you're out of luck if edit-ability is desired. I also found a discussion on MSDN regarding a gadget to display a web page which is listed below. Other Vista gadget archives on the Internet may be sources for usable gadgets.
Something like
Desktop Calendar may be simpler than trying to beat an Excel format calendar into submission through gadgetry - just saying...
Resources:
Gadgets: Build Your Own Windows Vista Sidebar Gadget
How to just show a webpage in a gadget.