There is code in Microsoft Outlook that, although updated over the years, is essentially the same file format as it was in 1994 - and the code is unlikely to ha

There is code in Microsoft Outlook that, although updated over the years, is essentially the same file format as it was in 1994 - and the code is unlikely to have been entirely rewritten in that time In 2010, Microsoft published the PST file format, and the latest documentation was updated this year That code was started in 1992, and first shipped in 1995 - 25 years in the wild! https://docs.microsoft.com/en-us/openspecs/office_file_formats/ms-pst/141923d5-15ab-4ef1-a524-6dce75aae546 https://docs.microsoft.com/en-us/openspecs/office_file_forma...