How to Share Files and Folders With External Users in OneDrive for Business

Microsoft OneDrive for Business allows organizations to store, sync, and collaborate on files securely across devices and teams. One of its most useful features is the ability to share files and folders with external users such as clients, vendors, freelancers, partners, or customers without requiring full access to your organization’s internal systems.

External sharing helps businesses collaborate more efficiently, but it also introduces important security and permission considerations. Depending on your organization’s policies, external users may be able to view, edit, upload, or download shared content using secure links or Microsoft accounts.

In this guide, we’ll walk you through how to share files and folders with external users in OneDrive for Business on Windows and the web.

What Is External Sharing in OneDrive for Business?

External sharing allows users outside your organization to access files or folders stored in:
Microsoft OneDrive.

You can share:

• Individual files
• Entire folders
• Collaborative documents
• Project resources
• Reports and presentations

External users may receive access through:

• Email invitations
• Secure sharing links
• Microsoft account authentication
• One-time verification codes

Before You Start

Before sharing files externally:

• Ensure external sharing is enabled by your organization
• Verify file permissions carefully
• Avoid sharing sensitive confidential information unnecessarily
• Use expiration dates or password protection when possible

Some organizations restrict external sharing through:
Microsoft 365 administrator policies.

How to Share Files With External Users in OneDrive for Business

Method 1: Share Files Using OneDrive Web

This is the easiest and most common method.

1. Open OneDrive for Business

1. Visit:

Microsoft OneDrive

2. Sign in with your work or school account.

2. Select the File or Folder

1. Locate the file or folder you want to share.
2. Select it.
3. Click: Share

3. Configure Sharing Permissions

Before sending the link, configure access permissions carefully.

You can choose:

• Anyone with the link
• Specific people
• People in your organization

Permission Options

You can allow users to:

• View only
• Edit files
• Download content

For better security:

• Disable editing if unnecessary
• Set expiration dates
• Add password protection if available

4. Enter External Email Addresses

1. Enter the recipient’s email address.
2. Add an optional message.
3. Click: Send

The external user will receive an email invitation with the access link.

How External Users Access Shared Files

External users typically access shared content by:

• Signing into a Microsoft account
• Using a one-time verification code
• Opening the secure sharing link directly

Depending on your organization’s policies, sign-in may or may not be required.

Method 2: Share Files From File Explorer

If OneDrive sync is enabled on Windows 11, you can share files directly from File Explorer.

1. Open OneDrive Folder

Navigate to your synced:
Microsoft OneDrive folder.

2. Right-Click the File or Folder

1. Right-click the item.
2. Select: Share

This opens the OneDrive sharing dialog.

3. Configure Sharing Settings

Choose:

• Link permissions
• Editing access
• External recipient email addresses

Then send the invitation normally.

How to Stop Sharing or Remove External Access

You can revoke external access at any time.

Steps

1. Open OneDrive.
2. Locate the shared file or folder.
3. Click: Manage Access
4. Remove specific users or disable the sharing link.

This immediately revokes access for external users.

Best Practices for External Sharing

Share Only What Is Necessary

Avoid sharing entire folders if only one file is needed.

Use “Specific People” Links

This provides better security than:

Anyone with the link

Set Expiration Dates

Temporary access reduces long-term security risks.

Disable Editing When Appropriate

View-only permissions help prevent accidental modifications.

Monitor Shared Content Regularly

Review:

• Active links
• External collaborators
• Shared permissions

to maintain organizational security.

Common External Sharing Problems

External Sharing Disabled

If you cannot share externally:

• Your Microsoft 365 administrator may have disabled it
• Organizational policies may restrict sharing

Contact your IT administrator if necessary.

External User Cannot Access Files

Possible causes include:

• Incorrect email address
• Expired sharing links
• Blocked domain policies
• Missing Microsoft account authentication

“Access Denied” Errors

This usually indicates:

• Permission mismatches
• Revoked access
• Organizational restrictions

Resend the invitation if necessary.

Security Considerations

When sharing externally:

• Avoid sharing confidential data publicly
• Use password-protected links when available
• Review permissions regularly
• Remove unused links promptly

External sharing should always follow organizational compliance and security policies.

Conclusion

Microsoft OneDrive for Business makes it easy to collaborate with external users by securely sharing files and folders through email invitations or sharing links. Whether you are working with clients, vendors, freelancers, or partners, external sharing can simplify collaboration while maintaining centralized file management.

By following the steps and best practices outlined above, you can securely share files and folders with external users in OneDrive for Business while maintaining proper access control and organizational security.