Although Google Sheets, LibreOffice Calc, and iWork Numbers may suffice for internal communication within individuals or small organizations, file compatibility becomes an issue when exchanging files with external parties. Excel files are not guaranteed to open seamlessly in other spreadsheet software, making it safer to use Excel as the de facto standard. This applies to Word and PowerPoint as well. Furthermore, Microsoft's current offering of these applications through Microsoft 365 via the cloud naturally leads users to become vendor-locked into Azure.