To excel means to do something very well. It means you are better than most people in that activity. People often use it for skills or tasks.
She excels in math at school.
He always excels in sports games.
Excel can mean to be very good or better than others in quality or how well something works. It is used to describe things or people that are the best.
This product excels in design.
Our team excels in customer service.
Excel can mean to be more than a limit or rule. It means going past what is normal or allowed. This is often used with numbers or rules.
You must not excel the speed limit.
The price will not excel $100.
Excelling means being very good in one special thing or skill. It means you do better than most in that subject or activity.
She excels at playing the piano.
He excels in writing stories.
When something excels, it does better than others or what people expect. It is higher or stronger in ability or quality.
The new computer excels all others.
This phone excels last year's model.
Excel is also the name of a computer program. It helps people make tables and use numbers in a simple way. This meaning is a proper noun and used in work or school.
I use Excel for my work data.
She made a chart in Excel.