Congratulations on applying for a clerical position that requires Microsoft Excel skills! The Prove It test is a common assessment tool used by employers to evaluate a candidate's proficiency in Excel. Here are some tips to help you pass the test:

1. Review the Excel basics: Make sure you are familiar with the basic functions of Excel, such as formatting cells, creating formulas, and using functions like
   Formula:

   =SUM 

   ,
   Formula:

   =AVERAGE 

   , and
   Formula:

   =COUNT 

   .
2. Practice with sample tests: There are many online resources that offer sample Prove It tests for Excel. You can use these tests to practice your skills and get a feel for the types of questions that may be asked on the actual test.
3. Brush up on your keyboard shortcuts: Knowing keyboard shortcuts can save you a lot of time when working in Excel. Make sure you are familiar with common shortcuts like CTRL+C (copy), CTRL+V (paste), and CTRL+Z (undo).
4. Take your time: The Prove It test is timed, but don't rush through the questions. Take your time to read each question carefully and double-check your work before submitting your answers.
5. Be confident: Believe in yourself and your Excel skills. If you have prepared well and practiced, you should feel confident going into the test.

As for retaking the test, you will need to check with the employer or testing agency to see if that is an option. They may have specific policies in place regarding retakes. Good luck on your test!