They provide more storage for free of cost than Dropbox. There are many Dropbox competitors in the market that provide the same features at a cheap price. I hope it will fix your issue you are able to sync folders in your windows by using their app. Try to disable antivirus or give permission to Dropbox (whitelist). You can upgrade or free up the space to solve this issue.ģ) Maybe an antivirus is interfering with Dropbox. In that case, it is obvious that Dropbox will not synchronize the files.
As Dropbox only provides 2GB of free space so, maybe you have used all the space.