Originally posted by damnyank
The following comes from KNQ270670 - it is the only reference I have found for grayed out (dimmed) export option. Does it apply to your case in XP Home?
Export the Address Book to a File
NOTE: This step is very important when multiple Identities are in use. A .WAB (Windows Address Book) file is used by Outlook Express 5.x and 6.0 versions, even if multiple Identities are used. The individual data for each Identity is stored in a folder, by user name, within the .WAB file in use.
Exporting this data, while logged in to a specific Identity, is the only means of segregating the Address Book data. If the .WAB file becomes dissociated from the user Identities, the data can only be exported in total - not folder by folder.
Another reason to export the .WAB file to a .csv file is that if the .WAB file is shared with Microsoft Outlook, the addresses are stored in the *.pst file in Outlook. When you export the file from the Outlook Express File menu to a *.csv file it exports the correct contacts. If the Address Book is shared with Microsoft Outlook, you are not able to export from within the Address Book on the File menu. This option is dimmed or not available.