Final answer:
The Refine group in the Search Tools Search Tab includes options to filter search results, but without the specific list of options provided, it is not possible to determine which button is not part of this group. Usually, Accept and Reject options are not found in the Refine group of search tools.
Step-by-step explanation:
To answer the question regarding which of the following is not one of the buttons in the Refine group in the Search Tools Search Tab, we need to know the correct options that are typically included in the Refine group. Generally, the Refine group includes options like Search Tools, Language, Date Modified, and other filters designed to narrow down search results. However, without the specific options listed in the question, it's not possible to accurately identify which one is not a part of the Refine group.
Typically, the Refine group will not include options like Accept and Reject, which are associated with changes and reviews in documents, as indicated in the reference information. Instead, Previous and Next buttons are located beside the Accept and Reject options in the tools ribbon to navigate through changes but are not part of the Refine group in search contexts.