Outlook.Pst Has Reached Its Maximum Size FIX [Tutorial]

Outlook.Pst Has Reached Its Maximum Size FIX [Tutorial]

This tutorial contains instructions to resolve the following error in Outlook 2016, 2013, 2010, 2007 & 2003: "The file Outlook.pst has reached its maximum size. To reduce the amount of data in this file,select some items that you no longer need, and then permanently delete them (shift +del)".

Outlook 2016:
HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\PST
Outlook 2013: HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\PST
Outlook 2010: HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Outlook\PST
Outlook 2007: HKEY_CURRENT_USER\Software\Microsoft\Office\12.0\Outlook\PST
Outlook 2003: HKEY_CURRENT_USER\Software\Microsoft\Office\11.0\Outlook\PST

For Domain Administrators: (Group Policy)

Outlook 2016: HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\16.0\Outlook\PST
Outlook 2013: HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\15.0\Outlook\PST
Outlook 2010: HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\14.0\Outlook\PST
Outlook 2007: HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\12.0\Outlook\PST
Outlook 2003: HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\11.0\Outlook\PST

The "Outlook.pst has reached its maximum size" error, appears because the Outlook PST data file, reached the limit of data that it can store, and you 're not permitted to store additional data on it. For example, if you 're using Outlook 2007 the size limit of the PST file is 20 GB, and in Outlook 2016, 2013 & 2010 is 50 GB.

This tutorial will apply for computers, laptops, desktops, and tablets running the Windows 10, Windows 8/8.1, Windows 7 operating systems. Works for all major computer manufactures (Dell, HP, Acer, Asus, Toshiba, Lenovo, Samsung).