Number of presentations in the Recent Presentations list: registry value max displayUserHKCU\software\policies\microsoft\office\16.0\powerpoint\file mru

Policy ID
L_Recentlyusedfilelist
Scope
User Configuration
Supported on
At least Windows Server 2008 R2 or Windows 7
Source
Microsoft 365 Apps / Office Administrative Templates (version 5568.1000)
Category
Microsoft PowerPoint 2016 › PowerPoint Options › Advanced

Registry

max display

REG_DWORDUser
Enabled value
Depends on the option value
Element
Size of recently used file list
Value type
REG_DWORD
Minimum value
0
Maximum value
50
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\software\policies\microsoft\office\16.0\powerpoint\file mru]

; Value names and types follow the ADMX. Replace <enter value> below with your own data
"max display"=dword:<enter value>
CMD
:: Value names and types follow the ADMX. Replace <enter value> below with your own data

reg add "HKCU\software\policies\microsoft\office\16.0\powerpoint\file mru" /v "max display" /t REG_DWORD /d "<enter value>" /f
PowerShell
# Value names and types follow the ADMX. Replace <enter value> below with your own data

New-Item -Path 'HKCU:\software\policies\microsoft\office\16.0\powerpoint\file mru' -Force | Out-Null
New-ItemProperty -Path 'HKCU:\software\policies\microsoft\office\16.0\powerpoint\file mru' -Name 'max display' -PropertyType DWord -Value '<enter value>' -Force | Out-Null