Using classic Outlook for Windows in business environments
Hi Sharon,
Thank you for reaching out.
To help identify the cause, could you please provide the following information?
- What troubleshooting steps have you completed so far?
- Do you receive an error message when creating a calendar or folder? If so, please share a screenshot of it.
- Are you trying to create a mail folder, calendar folder, or both?
- Can you create the calendar or folder when using Outlook on the web?
- Are other users in your organization experiencing the same issue?
If you prefer telephone assistance, you can find the appropriate number for your country or region here: Contact Microsoft customer support. When calling, please have your Microsoft 365 tenant and account information available.
Thank you for your time and understanding. Looking forward to your response.