Increasing PST file size limit in Microsoft Outlook

MaxLargeFileSize

WarnLargeFile Size

These 2 Dword 32 entries need to add under HKCU/Software/Policies/Microsoft/Office/Outlook 

**Here office folder will be of seperate names depending on Microsoft Office version**

And define file size in MegaBytes in decimal format

After reboot, it will be fixed.