Editing Outlook Express (section)

===Database corruption===
Outlook Express has been prone to a number of problems which can corrupt its files database, especially when the database increases in size due to an increasing number of stored emails and during database compaction. This has led to a thriving market for software that can back up, restore and recover corrupted files.<ref>{{cite web |last1=Koch |first1=Tom |title=The Other E-Mail Threat: File Corruption in Outlook Express |url=http://www.microsoft.com/windows/IE/community/columns/filecorruption.mspx |website=Windows |publisher=[[Microsoft]] |archive-url=https://web.archive.org/web/20041119165531/http://www.microsoft.com/windows/IE/community/columns/filecorruption.mspx |archive-date=19 November 2004 |date=18 November 2004}}</ref> An open-source project called UnDBX was also created, which seems to be successful in recovering corrupt databases.<ref name="undbx">{{cite web |date=29 November 2016 |title=UnDBX |url=http://sourceforge.net/projects/undbx |website=[[SourceForge]] |publisher=Slashdot Media}}[https://www.gangl.de/]</ref> Microsoft has also released documentation which may be able to correct some non-severe problems and restore access to email messages, without resorting to third-party solutions.<ref>{{cite web|last1=Koch|first1=Tom|title=An Outlook Express basic repair kit |url=http://www.microsoft.com/windows/IE/community/columns/oerepair.mspx |website=Windows |publisher=[[Microsoft]] |archive-url=https://web.archive.org/web/20050808001524/http://www.microsoft.com/windows/IE/community/columns/oerepair.mspx |archive-date=8 August 2005 |date=24 May 2005}}</ref>