Disabling the Category feature hides the category section on the left side of the View screen, as well as category fields for records.
Note that disabling does not delete categories added on the Categories screen or delete the data of each record's Categories field.

1. Click the App settings icon (the gear-shaped icon) at the upper right of the View screen.
   

2. On the App settings screen, select the App settings tab, then click Categories under Advanced settings.

3. On the Categories screen, uncheck the Use categories checkbox.

4. Click Save at the bottom right of the screen.

5. On the App settings screen, click Update app.

6. On the Update app dialog, click Update app.

If you want to re-enable the Category feature, select the Use categories checkbox on the Categories screen and update the app.

This section explains how to handle error messages that appear when attempting to disable the Category feature.

If you attempt to disable a category that is referenced by a Lookup field in another app, the following error message appears:

The categories of this app are specified in the Lookup field setting in a different app.
To disable the Category feature, open the app settings of the app indicated in the error message and change the setting of or delete the Lookup field.
Configuring a "Lookup" field

If you attempt to disable a category that is referenced by a Related records field in another app, the following error message appears:

The categories of this app are specified in the Related records field setting in a different app.

To disable the Category feature, open the App settings screen of the app indicated in the error message and change the setting of or delete the Related records field.
Configuring a "Related records" field

If you attempt to disable a category that is referenced by a Lookup field in a deleted app, the following error message appears:

The categories of this app are specified in the Lookup field setting in a deleted app.
In order to preserve data in the Lookup field in case a user wishes to restore the deleted app, Kintone does not allow users to disable the Category feature.

To disable the Category feature, restore the deleted app and then change the setting or delete the Lookup field.
Alternatively, you will be able to disable the Category feature after 14 days from the deletion of the app since the app will become unrecoverable at the time.
Only Kintone users & system administrators can restore apps.

• Restoring deleted apps
• Configuring a "Lookup" field

If you attempt to disable a category that is referenced by a Related records field in a deleted app, the following error message appears:

The categories of this app are specified in the Related records field setting in a deleted app.
In order to preserve data in the Related records field in case a user wishes to restore the deleted app, Kintone does not allow users to disable the Category feature.

To disable the Category feature, restore the deleted app and then change the setting or delete the Related records field.
Alternatively, you will be able to disable the Category feature after 14 days from the deletion of the app since the app will become unrecoverable at the time.
Only Kintone users & system administrators can restore apps.

• Restoring deleted apps
• Configuring a "Related records" field