ShareGate Desktop allows you to replace illegal characters during your copy to SharePoint.
Note: Illegal characters constitute characters that are not permitted for use in site names, subsite names, group names, folder names, and document names within SharePoint.
- Click Settings.
- Select Migration.
- Scroll down to Illegal Character Replacements.
- Set the replacements by your preference. For your convenience, all illegal characters will be replace by an underscore by default.