To access a shared folder that isn't one of the folders listed on the File | Open | Other User's Folder dialog, the mailbox owner needs to grant "folder visible" permission to the root of the mailbox and any other parent folders of the shared folder, as well as appropriate permission -- at least Reviewer -- on the shared folder itself.
The user who needs access then goes into Tools | E-mail Accounts or Tools | Services (depending on the Outlook version), brings up the properties for the Exchange Server service, and on the Advanced tab, adds the mailbox.
For more information on folder permissions, with how-to screen shots, see http://www.howto-outlook.com/howto/permissions.htm and http://office.microsoft.com/assistance/preview.aspx?AssetID=HA011134811033

Signature
Sue Mosher, Outlook MVP
Author of Configuring Microsoft Outlook 2003
http://www.turtleflock.com/olconfig/index.htm
and Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
>I can share my original calendar, but any other calendar I create I cannot
> seem to share. Or at least they are not showing up with the shared users of
[quoted text clipped - 5 lines]
> Thanks,
> Wendi
Charlie - 30 Jan 2007 19:30 GMT
But when does one of those not listed show up to add? I can't find the calendar in the Advanced tab.
EggHeadCafe.com - .NET Developer Portal of Choice
http://www.eggheadcafe.com
Sue Mosher [MVP-Outlook] - 30 Jan 2007 22:20 GMT
Sorry, but could you refresh my memory on what calendar you're trying to add. And what Advanced tab y0u're looking at?

Signature
Sue Mosher, Outlook MVP
Author of Configuring Microsoft Outlook 2003
http://www.turtleflock.com/olconfig/index.htm
and Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> But when does one of those not listed show up to add? I can't find the calendar in the Advanced tab.
>
> EggHeadCafe.com - .NET Developer Portal of Choice
> http://www.eggheadcafe.com
Bryan O''Neal - 19 Apr 2007 20:10 GMT
> Sorry, but could you refresh my memory on what calendar you're trying to add. And what Advanced tab y0u're looking at?
>
> > But when does one of those not listed show up to add? I can't find the calendar in the Advanced tab.
> >
> > EggHeadCafe.com - .NET Developer Portal of Choice
> > http://www.eggheadcafe.com
Bryan O''''Neal - 19 Apr 2007 20:16 GMT
I'll try again, my previous message may or may not have went through?
Sue, Hi. I enjoyed your site.
I do have a problem, we have multiple calendars that are shared and can be
accessed by the users to post meetings.
I believe some permissions are read only and for others you can make
changes, edit labels.
A new calendar was added by the Exchange Server Admin. but I can't edit the
Labels to the Calendar, I can add events.
Can you help?
> > Sorry, but could you refresh my memory on what calendar you're trying to add. And what Advanced tab y0u're looking at?
> >
> > > But when does one of those not listed show up to add? I can't find the calendar in the Advanced tab.
> > >
> > > EggHeadCafe.com - .NET Developer Portal of Choice
> > > http://www.eggheadcafe.com
Sue Mosher [MVP-Outlook] - 19 Apr 2007 22:25 GMT
Only someone with Owner permission on a folder can edit its color labels.

Signature
Sue Mosher, Outlook MVP
Author of Configuring Microsoft Outlook 2003
http://www.turtleflock.com/olconfig/index.htm
and Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> I do have a problem, we have multiple calendars that are shared and can be
> accessed by the users to post meetings.
[quoted text clipped - 4 lines]
> Labels to the Calendar, I can add events.
> Can you help?
Bryan O''''Neal - 20 Apr 2007 13:24 GMT
Can you have more than one owner?
> Only someone with Owner permission on a folder can edit its color labels.
>
[quoted text clipped - 6 lines]
> > Labels to the Calendar, I can add events.
> > Can you help?
Sue Mosher [MVP-Outlook] - 20 Apr 2007 13:51 GMT
Yes.

Signature
Sue Mosher, Outlook MVP
Author of Configuring Microsoft Outlook 2003
http://www.turtleflock.com/olconfig/index.htm
and Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> Can you have more than one owner?
>
[quoted text clipped - 9 lines]
>> > Labels to the Calendar, I can add events.
>> > Can you help?
Bryan O''''Neal - 20 Apr 2007 14:00 GMT
Can you set up just a calendar versus a mailbox in Outlook?
My Admin says I have the highest permission.
> Yes.
>
[quoted text clipped - 11 lines]
> >> > Labels to the Calendar, I can add events.
> >> > Can you help?
Sue Mosher [MVP-Outlook] - 20 Apr 2007 17:50 GMT
A calendar is a folder. It must reside in either a mailbox or the Public Folders hierarchy. Ask the admin to show you the calendar's Permissions tab so you can see whether you have Owner permission.

Signature
Sue Mosher, Outlook MVP
Author of Configuring Microsoft Outlook 2003
http://www.turtleflock.com/olconfig/index.htm
and Microsoft Outlook Programming - Jumpstart for
Administrators, Power Users, and Developers
http://www.outlookcode.com/jumpstart.aspx
> Can you set up just a calendar versus a mailbox in Outlook?
> My Admin says I have the highest permission.
[quoted text clipped - 10 lines]
>> >> > Labels to the Calendar, I can add events.
>> >> > Can you help?