Outlook Express ceased to display all the letters.

Greetings to all!

Problem:
Outlook Express in excess of the size in the file “Inbox.dbx” more than 2 GB, ceased to display all the letters. An attempt to import the file “Inbox.dbx” in MS Outlook has not given result. Thought the problem is in FAT32… made it into NTFS, not helped. Advise me what to do?