Which toolbar option allows for quick validation of custom datasets?

The option that allows for quick validation of custom datasets is specifically designed to streamline the process of ensuring that the datasets are correctly configured and functional. By choosing this option, users can quickly verify that their custom datasets meet the necessary criteria and are ready for use in reporting and analysis. This feature is particularly useful as it reduces the time spent troubleshooting or correcting issues that may arise from improperly defined datasets.

In contrast, other options have different functionalities. For instance, "Toggle view" typically alters how information is displayed rather than validating it. "Save settings" is meant for preserving any changes made during configuration, and while "Manage datasets" allows users to organize or edit datasets, it does not directly provide the means to validate them quickly. This makes the validation option essential for ensuring the accuracy and effectiveness of custom datasets.