1. Open the Trash > Select the file or folder you want to recover > right-click and select Put Back.

The file or folder will be restored to its original folder.

You can also restore the deleted file/folder from OneDrive website

1. Go to the OneDrive website, and sign in with your Office 365 account or click the OneDrive icon up in your Menu bar and click View Online.

2. In the navigation menu, select Recycle bin > Select the files or folders you want to restore by pointing to each item and click the circle check box that appears > click Restore on the top next to Delete or right-click on the selected files or folders then click Restore.