I\'m migrating our local TFS to VSTS (Cloud TFS). Everything worked fine so far, but now I want to migrate all the existing workitems to the VSTS.
I have searched the inter
The best option (which I'm surprised Patrick-MSFT didn't mention) is a direct TFS import to VSTS.
As long as you're on a supported version of TFS, you can just take your Team Project Collection and have it directly imported into VSTS, with full fidelity migration of all data, including work items.