Permission & Access Issues

OneDrive Personal vs. Business: Security, Sharing & Custom Permissions

Maira Mehtab Sep 21, 2026 869 views

Question details

The user wants to understand the security and external sharing differences between OneDrive Personal and OneDrive for Business, specifically how to grant external users permission to upload and download files without allowing them to rename or delete them.

Product: OneDrive
Device & OS: not provided
Scenario: Setting up secure folder sharing for external collaborators where they can add files but cannot alter or remove existing ones.
Observed behavior: The user needs to assign modified 'Contribute' privileges that exclude delete and rename capabilities, and is unsure if this works in the Personal version or how to configure it in the Business version using SharePoint groups.

Before you start

Verify whether you are using OneDrive Personal or a Microsoft 365 Business account, as the granular custom permissions required for this setup are only available in OneDrive for Business (SharePoint Online).

Solution 1Recommended

Configure Custom Permissions in OneDrive for Business

Use the SharePoint backend of OneDrive for Business to create a custom permission level that permits uploading and downloading but strictly disables deleting or renaming files.

Because OneDrive for Business is built on SharePoint Online, it supports granular access controls. You can create a custom permission level by modifying the standard 'Contribute' or 'Edit' rights to meet strict compliance and security requirements for external sharing.

Access Advanced Site Permissions

Log into your Microsoft 365 account and open your OneDrive for Business. Click the gear icon (Settings) in the top right corner, select 'OneDrive settings', then 'More Settings', and click on 'Return to the old Site settings page'. From there, click 'Site permissions'.

Create a Custom Permission Level

In the Site Permissions menu, click 'Permission Levels' on the ribbon. Click on the 'Contribute' permission level, scroll to the bottom, and click 'Copy Permission Level'. Give it a new name (e.g., 'Contribute No Delete').

Remove Delete and Rename Rights

In your newly created permission level, carefully uncheck the boxes for 'Delete Items' and 'Delete Versions'. Click 'Create' or 'Save' to finalize the custom permission level.

Apply the Permission to a Folder

Navigate to the folder you want to share. Click the three dots (ellipsis) next to it, select 'Manage Access', and go to 'Advanced'. Click 'Stop Inheriting Permissions', then click 'Grant Permissions'. Enter the external user's email or your SharePoint group, and assign them your new 'Contribute No Delete' permission level.

External User Verification: OneDrive for Business allows you to require identity verification for external links to ensure that only the invited users can access and upload to the designated folder.

Solution 2

Use OneDrive Personal for Basic Storage and Sharing

Understand the limitations of OneDrive Personal when it comes to advanced sharing scenarios so you can set correct expectations for your workflows.

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Frequently Asked Questions

Can I prevent users from deleting files in OneDrive Personal?

No. OneDrive Personal only offers basic 'Can view' or 'Can edit' permissions. If a user has edit access, they can rename or delete the files. You need OneDrive for Business to set up custom permission levels.

Do SharePoint permission groups apply to OneDrive for Business?

Yes. Because OneDrive for Business is fundamentally built on a SharePoint Online backend, you can utilize SharePoint groups and custom permission levels to manage access to your OneDrive files.

What advanced security features does OneDrive for Business have over Personal?

In addition to basic encryption, OneDrive for Business provides enterprise-grade compliance controls, Data Loss Prevention (DLP), eDiscovery, advanced link expiration, identity verification, and highly granular site permissions.

Can external users be added to SharePoint groups?

Yes, external users can be invited as guests to your Microsoft 365 environment and subsequently added to SharePoint groups, allowing them to inherit the custom permissions (like upload-only access) assigned to that group.

Document & File Issues