Go to Site settings → People and groups → Site owners. Select any user who shouldn't have full control → Actions → Remove users from group. Do the same review for Site Members and Visitors. Stale owner access is one of the most common SharePoint governance...
Go to Site settings (gear icon → Site information → View all site settings) → Storage Metrics under Site Collection Administration. You'll see exactly how much space each library and list is consuming. If you're near the quota, contact your Microsoft 365 admin — they...
If you see a "You need permission" page, click Request access. SharePoint notifies the site or file owner, who can approve or decline with one click from their email. You'll get a notification either way — no chasing required.
Click the three dots next to any file → Manage access → Links. You'll see every sharing link that's been created, who it applies to, and what permissions it grants. Click the X next to any link to revoke it immediately — the link stops working for everyone who had...
Go to the file → three dots → Manage access → Links. Find the expired link, click the pencil icon, and set a new expiry date. If the option is greyed out, your admin has set a maximum expiry window — ask them to extend it, or create a fresh link with a new...
Click the three dots next to the file or folder and choose Manage access. You'll see everyone with access and at what permission level — worth checking before sharing anything sensitive.
Go to Library settings → Permissions for this document library → Stop Inheriting Permissions. Changes to the parent site's permissions will no longer flow down to this library, giving you independent control.
Click the three dots next to the folder → Manage access → Advanced settings → Stop Inheriting Permissions, then set access directly on the folder. Use this sparingly — too many unique permissions makes libraries hard to manage.
Click the three dots next to the file → Share, switch the link type to Specific people or Anyone with the link, add their email, and set an expiry date if needed. Your admin must have enabled external sharing at the tenant or site level first.