System Requirements

This page lists all system requirements for InLoox Self-Hosted, including server prerequisites and supported client apps.

Requirements for Apps

These system requirements apply to all editions of InLoox.

InLoox Web App

1. Google Chrome 98 or higher
2. Microsoft Edge 88 or higher
3. Mozilla Firefox 100 or higher
4. Safari 14 or higher

InLoox for Outlook (Modern Add-in)

1. One of the following products:

   • Microsoft Exchange® Online (usually part of Microsoft 365 Business)

   • Microsoft Exchange® Server 2016*, 2019*, SE

     warning

     With this option, you may only be able to use the Modern Add-in in restricted mode (without access to file attachments of emails), depending on the Microsoft Outlook client used.

2. One or more of the following products:

   • Windows: Microsoft Outlook® 2021 or higher / Microsoft Outlook® for Microsoft 365 in latest version
   • Windows: Microsoft Outlook® 2016/2019 retail (may have functional restrictions, additional installation/activation of WebView2 required)
   • Mac: Microsoft Outlook® 2016 for Mac or higher / Microsoft Outlook® for Mac in latest version
   • Microsoft Outlook® on the web (with Microsoft 365 Business)

   Not compatible: Microsoft Outlook® 2016/2019 volume-licensed

3. Connection to the Internet or to the InLoox Self-Hosted Server

Important

*Exchange Server 2016 and 2019 have no longer been supported by Microsoft since October 2025, and there are no more security updates. We strongly recommend upgrading to the current version.

InLoox Mobile App

• InLoox 26
• iPhone: iOS 13.0 or higher
• iPad: iPadOS 13.0 or higher
• Android: Android 5.1 (Lollipop) or later

Important

InLoox Mobile App can only be used if the Self-Hosted Server uses a certificate signed by a public Certificate Authority (CA). Certificates issued by a private CA are currently not supported due to Apple/Google policies and technical restrictions. InLoox Web App does not necessarily have to be publicly accessible from the Internet. Access via VPN is sufficient.

Server Requirements

These system requirements apply to InLoox Self-Hosted Edition only.

InLoox Self-Hosted Server

1. Microsoft SQL Server® 2016 SP1 (13.0.4001.0) or higher (all editions)
2. Microsoft Windows Server 2016 or higher (with .NET Framework 4.7.2 or higher)
3. Microsoft Internet Information Services version 10 or higher
4. Microsoft ASP.NET 8 Hosting Bundle (recommended: Set up automatic updates for Microsoft .NET)
5. Valid certificate for SSL encryption
6. SMTP Server (for sending automated emails)
7. Windows/AD user with read/write permissions to a drive for project documents (alternatively: SharePoint Online with Azure AD App)

Optional Components

• Microsoft Exchange Server® (2016 or higher)
• Microsoft SharePoint Server® Online
• Microsoft OneDrive® for Business

note

The InLoox Self-Hosted Server requires Internet access to the following URLs for license activation and notifications about new versions:

• https://app.inloox.com/api/
• https://account.inloox.com/

If desired, a proxy server can be configured for Internet access.