SyncHealth365

Free

Scans file and folder paths against the real limits of SharePoint, OneDrive on Windows and Mac, and Office — before a rename or migration breaks someone's sync silently.

Download free package See all seven tools

SyncHealth365 web part running on a SharePoint page

The shipped web part on a real SharePoint page.

What it does

Checks against real Windows, Mac and Office path limits

Flags exactly which folder rename fixes the most paths

Free forever, no key needed

Safety audit for this tool

Every SharePoint call this tool's code makes — the same table checked by the build and by the verifier script in the download.

Call	Method	Destructive?
…/lists(…)/RenderListDataAsStream	POST	No — read only, SharePoint's own paged listing endpoint

Full cross-tool table and the shipped verifier script are on the main safety audit page.