Originally Posted by KarenS
I was wondering if thread actually gets "old" and shouldn't be used. I have some thread that I have had for years and would like to use up but am afraid it might get weak with age and shouldn't be used. I am talking more about regular sewing thread, but I guess my question would pertain to serger cones, quilting thread, etc.
Most threads will last for a long, long time. It's when they are exposed to things like sunlight, weather that they go bad.