Part # 2 How to restore Outlook Express items

Note To restore items when you use multiple identities in Outlook Express,
you may have to re-create the identities before you follow these steps. Repeat each step as needed for each identity.

Step 1: Import messages from the backup folder

1. On the File menu, point to Import, and then click Messages.
2. In the Select an e-mail program to import from box, click Microsoft Outlook Express 5 or Microsoft Outlook Express 6, and then click Next.
3. Click Import mail from an OE5 store directory or Import mail from an OE6 store directory, and then click OK.
4. Click Browse, and then click the Mail Backup folder.
5. Click OK, and then click Next.
6. Click All folders, click Next, and then click Finish.

Step 2: Import the Address Book file
1. On the File menu, click Import, and then click Other Address Book.
2. Click Text File (Comma Separated Values), and then click Import.
3. Click Browse.
4. Select the Mail Backup folder, click the address book backup.csv file, and then click Open.
5. Click Next, and then click Finish.
6. Click OK, and then click Close.

Step 3: Import the mail account file
1. On the Tools menu, click Accounts.
2. On the Mail tab, click Import.
3. In the Look In box, select the Mail Backup folder.
4. Click the mail account that you want to import, and then click Open.
5. Repeat these steps for each mail account that you want to import.
6. Click Close.

Step 4: Import the newsgroup account file
1. On the Tools menu, click Accounts.
2. On the News tab, click Import.
3. In the Look In box, select the Mail Backup folder.
4. Click the news account that you want to import, and then click Open.
5. Repeat these steps for each news account that you want to import.
6. Click Close.

Source http://support.microsoft.com/kb/270670