The Explain Everything Extension is a free Chrome add-on developed by Explain Everything. This extension allows users to easily add files from Slack to their online whiteboard. With this extension, you can annotate, organize, and discuss Slack files with your team through voice chat.

To get started, simply install the Explain Everything Extension and authorize it in your Slack workspace. Once authorized, you will be able to access and add your Slack files directly to your online whiteboard project.

Explain Everything is not just a whiteboard tool, but a collaborative platform with various features. It offers real-time whiteboarding with voice chat, allowing you to collaborate with others on any device, anywhere. You can invite guests to join your project, record your interactions, and share the final result. Additionally, Explain Everything enables you to create video messages and stories by capturing your interactions and voice. The platform also offers a range of tools for creating mixed-media projects, including videos, images, text, and sketches.

Whether you're looking to enhance your team collaboration or create engaging presentations, the Explain Everything Extension provides a convenient way to incorporate your Slack files into your online whiteboard projects.