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When you attempt to view the folders on an Internet Mail Access Protocol(IMAP) server in Outlook Express, the folders may be missing.
This behavior can occur if the Folders.nch file is missing or damaged.
To resolve this issue, rename the Folders.nch file, and then refresh yourfolder list. To do this, follow these steps:
Quit Outlook Express.
Click Start, point to Find, and then click Files Or Folders.
In the Named box, type "folders.nch" (without quotation marks), and then click Find Now.
Right-click the Folders.nch file located in the following folder, and then click Rename
where <Outlook Express> is the path to your Outlook Express folder, and <servername> is the name of your IMAP server.
Rename the Folders.nch file to Folders.xxx.
Start Outlook Express.
On the Folder toolbar, right-click the IMAP server, and then click Refresh Folder List on the menu that appears.
The Folders.nch file is a local file that stores a cache of all folderson a server. Your subscriptions are stored on the IMAP server and are notaffected if the Folders.nch file is missing or damaged. Refreshing thefolder list creates a new Folders.nch file. It is not necessary tosubscribe to all folders again.