To resolve the read-only access issue with Office 365 applications for your shared subscription, you can try the following methods:
- Check Activation: Ensure that Office is activated for your daughter's account. If the subscription is shared, she should have access to the full features of Office 365.
- Subscription Status: Verify that the shared subscription is active and that there are no issues with billing or account status that might restrict access.
- Read-Only Attribute: Right-click on the file she is trying to access, select Properties, and check if the Read-only attribute is checked. If it is, uncheck it and select OK.
- Antivirus Settings: Sometimes, antivirus programs may open files as read-only. Check the antivirus settings to see if adjustments are needed.
- Office Updates: Ensure that all Office updates are installed. You can check for updates through the Office application settings.
- Repair Office: If the issue persists, consider performing an Online repair of Office. This can fix various issues related to Office applications.
If these steps do not resolve the issue, you may want to consult the Microsoft support documentation or community for further assistance.