They have a big warning there that this can mean a potential loss of data and to read through what the tool does. Use this EasyFix tool to remove the OneDrive for Business cache using an automated tool. Sometimes the OneDrive for Business cache needs to be removed and rebuilt in order to sync.It does look pretty good because it will highlight the new content so you can decide if you want to keep it or not. IвЂ™ve not used this particular tool as I got off of Groove as soon as I could. Here are the instructions from the troubleshooting guide. Open the file to resolve a sync error.Here are a few of the solutions/fixes they recommend: Instead, it uses your yes or no responses to logically guide you to the solution it thinks is right for you. This troubleshooting guide is not automated. Try using the Microsoft OneDrive for Business Troubleshooting Guide to fix your sync issues.If you stop syncing the library, and then start syncing the library again, as if for the first time, sometimes this helps.

Repair a OneDrive for Business sync connection (covered below).

Make sure that your file sizes, items counts, and file path lengths are within the limits (covered below).

Make sure that your file and folder names donвЂ™t contain unsupported characters or invalid file types (covered below).

Make sure you have the most recent updates.

Make sure that the OneDrive for Business sync app is up-to-dateOneDrive for Business is frequently updated.

You can also do a ctrl+alt+del and click on the running processes tab and scroll down and look for groove.exe in the list. Look at this graphic to determine for sure. If you are having problems with OneDrive personal or the OneDrive for Business Next Gen Sync Client, the link above will direct you to fixing those problems! Repair Your OneDrive for Business (Groove) Sync ClientДЇirst, youвЂ™ll need to be sure that you have the Groove sync client. IвЂ™ll go into detail only for the new steps. Most of what I wrote last year is still applicable. The steps IвЂ™m going to cover are all in this great OneDrive support article. Since last September, Microsoft has stepped up their ways to help us fix Groove sync problems. This has been a popular article and if your company is still using the Groove client because of whatever reason I highly suggest you get the Next Gen Sync Client. Check out my services page for more information. If you need help with sync errors for your business, I have a service to help business owners or individuals fix their sync problems. EditorвЂ™s Note вЂ“ this article is updated on 3-23-2017 because new tools and processes have come out to help you fix your OneDrive For Business and SharePoint syncing errors.

Onedrive for business troubleshooter