Checks before it breaks
One click analyzes the folder: file count, size, names that SharePoint rejects, and paths that scrape the 400-character limit, before anything is created or copied.
✓ 18,412 files · 1,906 folders · 12.6 GB
⚠ Longest target path approx. 383 of 400 characters
✕ _vti_alt.docx – name not allowed in SharePoint
· 12 system files (Thumbs.db, ~$…) are skipped
