When the file name is too long, this file cannot be synchronized.

The file synchronization got stuck at 99%, and one item failed to sync. After I shortened the file name, it was able to sync again.

1 Like

The maximum filename length depends on a few factors including the filesystem and language.

Android typically overlays a FAT32 filesystem for the internal storage and formats external SD card storage as FAT32. So a general rule of thumb is 255 bytes (note, not characters).

Depending on the language encoding, each character requires 1 to 4 bytes, so the filename limit can be as short as 63 or as much as 255.

1 Like