Collaboration Client 5.1

Collaboration Client is a streamlined, cross-platform workspace that brings messaging, meetings, and files together to keep teams aligned and productive. Designed for organizations of any size, it reduces context switching, clarifies ownership, and speeds up decision-making—whether your team is remote, hybrid, or on-site.

Key features

• Real-time chat with threads, mentions, and emoji reactions
• Voice and video meetings with screen sharing and recording
• Secure file sharing with previews and version history
• Organized channels and direct messages for projects and teams
• Task lists with due dates, reminders, and lightweight workflows
• Powerful search across messages, files, and people
• Presence indicators, custom statuses, and focus/Do Not Disturb modes
• Flexible notifications to minimize noise and highlight what matters
• Integrations for calendars, email, and cloud storage
• Security by design: encryption in transit and at rest, SSO, and granular permissions
• Admin controls for user management, audit logs, and retention policies
• Offline access with automatic sync across devices

Get started in minutes: create your workspace, invite teammates, set up channels for each project, and connect your favorite tools. Collaboration Client keeps conversations discoverable, action items trackable, and work moving forward.

Collaboration Client is developed by ExcelSoft. The most popular versions of this product among our users are: 4.4, 4.6, 4.7 and 5.1. The name of the program executable file is LkClientConsole.exe.