To Zip a file(s) from the NAS, select the file you want to zip (lighlighted in red) and right-click. From the drop-down list click The Selected File to Zip.
Go to Applications, My.Files. Browse any of the folders on the left
pane, right click any of the files in the right pane. Select Create.(file.
name)..zip.(it turns blue)
The Wizard creates a zipped file in the same folder.