If the file is part of a split archive (e.g., Mia.7z.001, Mia.7z.002), you must have all parts in the same folder before you start extracting the first one.
On iPhone or Android, you can use apps like iZip or ZArchiver . 🔓 Step 2: Extract the Contents Mia-MIA043.7z
the "7-Zip" option (on Windows) or "Open With" (on Mac). Select "Extract Here" or "Extract to Mia-MIA043/". If the file is part of a split archive (e