Instructions from Microsoft Web site on how to share a mailbox.

Give someone delegate access

1. On the Tools menu, click Options, and click the Delegates tab.
2. Click Add.
3. Type the name for your delegate or select it from the Name list.
4. Under Add Users, click Add ->, and then click OK

   Note    To add multiple delegates simultaneously, hold down CTRL and click names in the Name list. The permissions you select next will apply to all of the delegates.

   The Delegate Permissions dialog box should appear.

5. You can accept the default permissions or you can set your own permissions.

Have meeting requests sent to your delegate, not you

1. On the Tools menu, click Options, and click the Delegates tab.
2. Select a delegate's name.
3. Select the Send meeting requests and responses only to my delegates, not to me check box.

Open and view a delegated Calendar

On the Go menu, click Calendar. Click Open a Shared Calendar in the Navigation pane.

Show or hide the calendar by selecting or clearing the calendar's check box under Other Calendars.

Note    To view a shared calendar in a separate window, right-click it and click Open in New Window. If you want to hide your own, clear its check box under My Calendars.

Open and view a delegated Inbox

1. On the File menu, point to Open, and click Other User's Folder.
2. In the Folder Type box, select Inbox.
3. In the Name box, type the name or click the button to select the name from a list.
4. Click OK to open the delegated Inbox.

Set up a meeting on behalf of someone else

1. On the Go menu, click Calendar.
2. Under Other Calendars, select the check box for your boss's calendar.
3. In the boss's calendar, select the desired time period for the meeting.
4. Right-click the selected area and click New Meeting Request.
5. Add the details for the meeting and type or select the names of the people you would like to invite.
6. Click Send.

Note    There's one case where you can send "on behalf of" someone without having delegate access. Any time you forward a meeting request, the request will contain the text "on behalf of" and list the name of the meeting organizer. That's so everyone can see who created the original request.

Share your mailbox

1. On the Go menu, click Mail, and right-click the mailbox, which will look something like this

   

2. Click Sharing.
3. On the Permissions tab, click Add.
4. Type the name of your delegate or select it from the Name list. Click Add->.
5. Click OK to add the name to your permissions list.
6. On the Permissions tab, next to Permission Level, select the desired permissions.

Share a folder

Once you've shared your mailbox, you'll need to set permissions for each of the folders that you want to share. You cannot skip levels when sharing folders. For example, you cannot share a subfolder in the Calendar folder without first sharing the Calendar folder itself.

1. In Folder List, right-click the folder you want to share, and click Sharing.
2. Click Add. Type or select a name, add it, and select the permission level for the folder.

Open a shared mailbox

1. On the Tools menu, click E-Mail Accounts.
2. Click View or change existing e-mail accounts, and then click Next.
3. In the list, click the Exchange account type, and then click Change.
4. Click More Settings, and then click the Advanced tab.
5. Click Add, type the mailbox name of the person whose mailbox you want to add, and then click OK.
6. Click Next and click Finish.
7. On the Go menu, click Folder List.

   The other person's mailbox should be now visible next to yours.