1. From your desktop, click on your workspace name at the top left.
   
2. Select Settings & administration, then Customise [workspace name] from the menu.
3. Click the Workspace icon tab.
4. Choose a file, then click Upload icon.
5. Next, crop your icon.
6. When you've finished, click Crop icon to save your changes.

Upload an organisation icon

Org owners can upload an organisation icon. Here's how:

1. From your desktop, sign in to your Slack Enterprise Grid, then click your workspace name in the top left.
2. Click Settings & administration, then select Organisation – [Organization name] from the menu.
3. Click  Settings in the left sidebar, then select Organisation info.
4. Next to Details, click Edit.
5. Under Icon, click Choose file, then select a file.
6. Click Save to finish.

Upload a workspace icon

As part of an Enterprise Grid organisation, workspace owners can update their workspace icon.

1. From your desktop, click on your workspace name at the top left.
   
2. Select Settings & administration, then Customise [workspace name] from the menu.
3. Click the Workspace icon tab.
4. Choose a file, then click Upload icon.
5. Next, crop your icon. 
6. When you've finished, click Crop icon.