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Microsoft Windows

Windows Office Outlook max PST OST for downloading messages is 50GB regedit to increase it

Published: Wednesday, September 23, 2020 written by Andy Flagg
View Count: 31
Keywords: Windows, Office Outlook, Registry, Max PST OST Size Override



There is a 50GB limitation in Microsoft Windows Office Outlook at 50GB
 
Just use your registry editor set it to 100GB (100000) REG_DWORD (32bit) of MaxLargeFileSize
 
    Outlook 2003
    HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Outlook\PST
    Outlook 2007
    HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Outlook\PST
    Outlook 2010
    HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Outlook\PST
    Outlook 2013
    HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\PST
    Outlook 2016
    HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\PST

The following 2 new DWORD values must be created or set;

    WarnLargeFileSize
    Don’t set this higher than 4090445042 (decimal) or f3cf3cf2 (hexadecimal)
    MaxLargeFileSize
    Don’t set this higher than 4294967295 (decimal) or ffffffff (hexadecimal)
 
 
 
https://www.msoutlook.info/question/increase-pst-file-size-limit
 
more to come...
 

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