Yes, you can download the Microsoft Excel APK for Android devices through Uptodown. Conclusion
However, due to legal and security concerns, it is always best to obtain software directly from the official source. For most users, the optimal path is the official one—either through a Microsoft 365 subscription or the free web app. If a paid version isn't suitable, the various free and legitimate alternatives listed above are more than capable of handling everyday spreadsheet tasks safely and effectively.
Only use Uptodown if you cannot access Microsoft’s servers (e.g., country restrictions or network policies) and you already have a legitimate product key. Otherwise, go straight to Microsoft.