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--- reference:message_archive [2010/07/19 14:17] – paul
+++ reference:message_archive [2012/01/31 08:36] – paul
@@ Line 29: / Line 29: @@
 For possible error messages during offline archive creation see: [[Offline archive error messages]]
+=====Technical info on archiving=====
+When messages are sent/received, then the messages are stored in the VPOP3\_archive folder (not subfolders) as **P<something>.DAT**. At this point the messages are not indexed, and cannot be searched.
+Later, a background thread will detect the P*.DAT files and read them, insert the data into the searchable index database, and move the file to a subfolder of the **Main Archive Store** folder (which may be VPOP3\_archive, or may have been changed) and renamed to **A<something>.DAT**. At this point the message is indexed and can be searched for.
+If the index database is lost or corrupted somehow, then you can force VPOP3 to reindex the messages by moving the files from the **Main Archive Store** subfolders into the VPOP3\_archive folder (not subfolders) and renaming them to **P<something>.DAT** (this is most easily done from a command prompt (eg ''REN A*.DAT P*.DAT''). After a few minutes VPOP3 will detect these new messages and start indexing them. This may take some time if you have lots of messages.
 {{tag>archive ZIP backup offline}}

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