Search functionality in Rake is NOT limited. We do not limit how far 'back' search will look for words, tasks, etc. Search in Rake will look for your search word/term in messages, channels, knowledge base articles, tasks and customers. Search can be filtered by date, customers, platforms and more.
Rake support videos are intended to help users navigate their Rake workspace; update their Rake chat widgets; use team chat to improve collaboration and reduce email, and support customers and prospects