Standard migration tools should do the trick, such as the SharePoint Migration Tool, Migration Manager, or 3rd party tools like Sharegate. Sharegate would be my overall recommendation.
Tools for cloud-to-cloud SharePoint migration?
A client has an existing cloud-hosted (non-MS365 3rd party) SharePoint 2013 site and wants to migrate it to MS 365 SharePoint. Mover doesn't support cloud-to-cloud unless both are MS 365.
Looking for a good 3rd-party tool to do this. Anyone have a recommendation?
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JRV 546 Reputation points
2020-08-14T16:06:47.54+00:00 Thanks, Trevor. Price-sensitive non-profit here, so glad to hear the free tools work. But surprised because SPMT documentation is very specific about the source being on-prem.
Just ignore that and pretend it's on-prem?
[Edit]
Per O365 support, I can use SPMT, but not Migration Manager in this scenario. MS needs to change the documentation to say that; it's very insistent about on-prem.Thanks for your help, Trevor!