No. Not for a calendar you created. However, if you are in an Exchange environment and use a public folder, the exchange admin can do this.

--�
Milly Staples [MVP - Outlook]

Post all replies to the group to keep the discussion intact. All
unsolicited mail sent to my personal account will be deleted without
reading.

After furious head scratching, asked:

| Hello,
|
| I use Outlook 2003 at my job. I have created a new Calendar folder
| that will be used to keep track of a conference room usage. I would
| like to share the calendar with a group from My Contacts. However,
| when I right click and choose the Permissions tab, I can only grant
| permission to an individual person. I cannot access My Contacts list
| to choose a distribution that I created. Is it possible to share a
| calendar with a distribution group? As a side note, I cannot install
| any special software that isn't pre-approved by my company.
|
| Thanks!