If you have an annoying zipper that sticks, you don’t have to put up with it! Without proper lubrication, friction between the zipper parts can cause sticking. But don’t retire that garment just yet.

If you don’t already have a ZIP file created, you can simply select all your files, right-click on them, and select Compress to > Zip file. However, if you want to add more files to an existing zip ...