ExtraFax 5.0 for Exchange - System Requirements
	
Software/OS:
ExtraFax Server for Exchange  | ExtraFax Client for Outlook  | 
ExtraFax Server 
Windows Server 2016 Standard 
Windows Server 2019 Standard 
Windows Server 2022 Standard 
Windows Server 2025 Standard 
+ 
Internet Information Services 10 or above 
 
Exchange 
Exchange Server 2019 
Exchange Server 2016 
Exchange Online 
 
SQL Server 
SQL Server 2022 
SQL Server 2022 Express (Database Size up to 10 GB) 
SQL Server 2019 
SQL Server 2019 Express (Database Size up to 10 GB) 
SQL Server 2017 
SQL Server 2017 Express (Database Size up to 10 GB) 
SQL Server 2016 
SQL Server 2016 Express (Database Size up to 10 GB) 
  
Note:  
Installing ExtraFax with SQL Server on a Domain Controller is not supported 
For SQL Server 2019 / 2022 (and Express), it requires Windows Server 2016 or greater. | Outlook 2016 / 2019 / 2021 / 2024 
Microsoft .Net Framework 4 Client Profile   (Installed with the setup package if not already present ) 
Microsoft Visual Studio 2010 Tools for Office Runtime (Installed with the setup package if not already present ) | 
Supported Fax Devices: