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Teams, SharePoint or OneDrive? Where Files Go and How to Share Safely

“Should this go in Teams, SharePoint or OneDrive?” It’s one of the most common Microsoft 365 questions. The short answer: it depends who the file belongs to. And once files are in the right place, the next step is sharing them safely, inside and outside the company.

What goes where

  • OneDrive: your own work files. Drafts and working documents only you need. You can share a file from here, but if a whole team depends on it, it’s in the wrong place.
  • Teams: files for a team or project. Each channel has a Files tab, and behind the scenes those files live in SharePoint, so chat and files stay together.
  • SharePoint: company-wide content. Policies, templates, HR forms and anything the whole organisation reads but only a few people edit.

Three habits that keep it tidy

  1. Share links, not attachments, so everyone works on one version.
  2. Move team files out of personal OneDrive before someone leaves.
  3. Give every Team and SharePoint site an owner who reviews access twice a year.

Working with people outside the company

Three Teams settings that are often confused:

  • Guest access: someone outside your company joins one of your teams and can see its channels and files.
  • External access: you can chat and call people in other organisations, without them joining your teams.
  • “Anyone” links: links to files that work for whoever has them, with no sign-in needed.

Safe defaults for most small businesses

  • Allow guests, but only into teams with an owner who reviews them.
  • Set guest access to expire, so old suppliers drop off automatically.
  • Allow external chat only with the domains you actually work with.
  • Turn off “anyone” links, or make them expire.

Tidy sharing also matters for Microsoft 365 Copilot, which can surface anything a user already has access to.

How Pentacle IT Solutions can help

Pentacle IT Solutions, a Microsoft Solutions Partner for Modern Work, helps businesses in Lucknow and across Uttar Pradesh organise Microsoft 365 and set sharing up safely.

See Microsoft 365 managed services →