It is often underestimated how critical it is for team members to retrieve information, such as powerpoint presentations, one pagers, word firles and excel-lists quickly. A drive, either Google drive if you do not worry that much about privacy or one drive, if privacy is especially important to you, can do the trick.
Why is there an entire section about storage and data management? Because it increases effectiveness drastically. This HBR article reveals the secrets derived from an analysis of thousands of Slack teams.
The principles of good data management are summarized nicely in this MIT presentation:
They summarise the principles in the 5 Cs: Clear, Concise, Consistent, Correct, Conformat