# Address Book Recommend that you use Address Book to add co-managers' wallet addresses before creating an account to save iterative copying and pasting.

### Click on "+New Address" Your co-managers' addresses can be their single-sign wallet addresses or multi-sig wallet address (if they already created an MSafe account).

--- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://doc.m-safe.io/aptos/users/address-book.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.