If your SanDisk pen drive shows up as "RAW" or "Unallocated," Windows File Explorer may fail to recognize it. DiskGenius is a robust alternative that excels at repairing partition tables.
Can format drives into various file systems (FAT32, NTFS, exFAT) and check for bad blocks to detect "fake" or failing flash drives.
Rufus is widely recommended for SanDisk users because it can often bypass "The disk is write-protected" errors that stop Windows from formatting a drive.
This lightweight tool allows you to format a 64GB, 128GB, or even 256GB SanDisk Ultra drive to FAT32 quickly and safely. Troubleshooting: "The Disk is Write-Protected"