To log on to one e-mail account (account A) and to have access to the mailbox for a different e-mail account (account B), follow these steps:
- Start Outlook with a profile that is configured for the Exchange Server mailbox for account B. You may have to log on to the network as the user of account B for proper validation.
- On the Files menu, click Info.
- Click Account Settings, and then click Delegate Access.
- On the Delegates tab, click Add.
- Type or select the name for the user of account A, click Add, and then click OK.
- In all lists, click to select Editor (can read, create, and modify items) in the Delegate Permissions dialog box.
- Click OK two times.
- If the Folder list is not visible, click Folder List on the View menu.
- Right-click Mailbox - user name, and then click Properties for 'Mailbox - user name on the shortcut menu.
- On the Permissions tab, click Add.
- Type or select the name for the user of account A, click Add, and then click OK.
- In the Name box, click the newly added entry for account A.
- In the Permission Level box, click Owner, and then click OK.
- Repeat steps 8 through 12 for all the other folders in the mailbox.
- On the File menu, click Exit and Log Off.
- Restart Windows, and then log on as the user of account A.
- Start Outlook with a profile that is configured for the Exchange Server mailbox for account A.
- On the Files menu, click Info.
- Click Account Settings, and then click Account Settings.
- On the E-mail tab, click the name of the account, and then click the Change icon.
- Click the More Settings button.
- Click the Advanced tab.
- Click Add to add an account to the Open these additional mailboxes: list.
- Type the name for the user of account B, and then click OK three times.
- Click Next, click Finish, and then click Close.
The mailbox for account B appears in your Folder List. The user for account A can send messages and meeting requests on behalf of the user of account B by entering the name of the user for account B in the From Field. These messages contain the names of the users for both account A and account B.