How long does French's Mustard last after opening?

French's Mustard typically lasts for about one year after opening. However, it is important to store the mustard properly to ensure its quality and to extend its shelf life. After opening, French's Mustard should be refrigerated to maintain its freshness and flavor. Be sure to tightly close the lid after each use to prevent air from entering, as exposure to air can cause the mustard to lose its quality more quickly. If the mustard develops an off smell, flavor, or texture, it is best to discard it, as these are signs that it has gone bad. Following these storage guidelines will help you enjoy the delicious taste of French's Mustard for a longer period after opening.