Tuesday, January 20, 2009

Outlook 2003 and 2007 PST File Size Limits

Outlook 2003 and Outlook 2007 have a maximum PST and OST size limit of 20GB. These values are configurable downward via the following registry values per user (HKEY_CURRENT_USER)

Set the Maximum File Size
Name: MaxLargeFileSize
Type: REG_DWORD
Range: 0x00000001 – 0x00005000
Default: 0x00005000 20,480 (20 GB)

Set a Warning When Approaching the Maximum Size
Name: WarnLargeFileSize
Type: REG_DWORD
Range: 0x00000000 – 0x00005000
Default: 0x00004C00 19,456 (19 GB)

Maximum Size PST can grow after limit is reached
Name: MaxFileSize
Type: REG_DWORD
Range: 0x001F4400 – 0x7C004400
Default: 0x7BB04400 2,075,149,312 (1.933 GB)

Maximum Size for Warning beyond limit
Name: WarnFileSize
Type: REG_DWORD
Range: 0x00042400 – 0x7C004400
Default: 0x74404400 1,950,368,768 (1.816 GB)

This information taken directly from Microsoft KB Article KB832925

4 comments:

Alex said...

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Alexis said...

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