H) Click OK to Save and OK to Save the first 'Publish Calendar to Custom Server' Dialogue boxes.
I) Immediately the first upload will be completed
J) You will have the option to 'Send a sharing invitation'. You may send this to some one who wants to view your calendar in any iCal supported client alternatively send it to your Gmail address. (this is optional - you can get the URL from your iCal Exchange Account too)
4) Get URL from iCal Exchange
A) Log on again if you've logged off.
B) You will now see that a new entry exists under 'Public Calendars' if you chose the public publishing URL (in step 2 C)
C) Right click on '.ics' and copy the URL to your clipboard and keep this save (paste it in notepad or similar). Alternatively you can click though the link and get the URL from the address bar.
Subscribe to service
5) Add iCal to your GCal Account
A) Login to GCal
B) Click on setting in the top right hand corner
C) Go to the 'Calendars' Tab (at the top) and select 'Browse public calendars...' towards the bottom of the page
D) Go to the 'Add by URL' Tab (at the top)
F) Enter the iCal URL (from step 4 C)
G) Click 'Add'. Your Outlook Calendar is now added to your GCal. Going '<< Back to Calendar' you will see that there is a new calendar with an ugly name added to the bottom of your subscribed calendars.
Note: You can easily change the name of the calendar by going back to the Calendars Tab (5 C), Clicking on the newly added calendar and changing the name of the calendar at the top of the page and finish by clicking Save.
Increasing the frequency of publishing your calendar (Automatic Uploads)
1) Un-check "update this calendar with the server's recommended frequency." in step 3G.
2) Go to Tools > Options > Calendar Options
3) Click on "Free/Busy Options..."
4) Change "Update free/busy information on the server every [Change this] minutes"
5) "Ok" all open dialogues.