• Converting All Your MS Outlook PST Files To Maildir Format
  One of the challenges you may face when converting an office from Microsoft Windows to Linux is that many people archive their emails in PST files. There are PST tools available, but most of them are commercial, since the PST file format is closed and protected by Microsoft. There are several non-commercial methods to achieve roughly the same goal, and in this tutorial we use IMAP (more specifically, courier-imap) to convert all our emails from PST to the Maildir format. The advantage of this approach is that you also lay the foundation for a new mail system, with all your old emails already imported the day you switch over.
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• How To Convert An ext3/ext4 Root File System To btrfs On Ubuntu 12.10
  ext3 and ext4 file systems can be converted to btrfs. For non-root file systems, this can be done online (i.e., without reboot), while for root file systems we need to boot into some kind of rescue system or Live CD. This guide explains how to convert an ext3 or ext4 root file system into btrfs on Ubuntu 12.10 and how to roll back to ext3/ext4 again if desired.
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• How To Convert Songs From An Audio CD Into MP3/Ogg Files With K3b
  This guide describes how you can use the CD/DVD burning application K3b to convert songs from an audio CD into MP3 or Ogg files that you can use on your MP3 player, for example (if you choose the Ogg format, your MP3 player must support it).
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