> For the complete documentation index, see [llms.txt](https://support.docstudio.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.docstudio.com/user/platform-settings-and-troubleshooting.md).

# Platform Settings & Troubleshooting

* [​Supported Devices, Browsers, and Screen Sizes](/user/platform-settings-and-troubleshooting/supported-devices-browsers-and-screen-sizes.md)
* [How to View External Documents Using Microsoft Office Viewer](/user/platform-settings-and-troubleshooting/how-to-view-external-documents-using-microsoft-office-viewer.md)
* [​How to Find Your User UUID and Account UUID](/user/platform-settings-and-troubleshooting/how-to-find-your-user-uuid-and-account-uuid.md)
* [How to Change the Interface Language](/user/platform-settings-and-troubleshooting/how-to-change-the-interface-language.md)
* [Error Codes](/user/platform-settings-and-troubleshooting/error-codes.md)