2500 HTML Files entered into Excell

I have 2500 HTML files from emails that need to be entered into a spreadhseet. Each is a separate file and an example (personal details removed) About 23 fields per file, some have slightly different formatting, but required data is the same data is require, and listed below. Data needs to be 100% accurate and will be checked as a separate project. Purchase Price Deposit Amount Required First Name Middle Name Last Name Date of birth Number & Street City Daytime Phone Number Email Address Income Details Monthly Income (Net) Applicants Expenses Mortgage/Rent (Per Month) Rates/Insurance (Per Month) HP/Credit Cards (per month) Other (per month) Credit History