Selection one of the option you will likely fit the main requirements and HR will be able to open it.Name the file with your own name like Peter_or etc.
With a wide range of job services, employers and potential employees have got used to sending their CVs via special sites and apps.
However, there are still some openings where you need to send your application letter using email.
As a rule, covering letter does not have any special requirements but mentioning the position you are applying to etc.
That is why you can write it with a creative approach and fit it to your goals.
Careful proofreading, in this case, can be more dependable.
Also, you can ask your friend, relative or another person you trust to help you with this.
You can use them as an opportunity to highlight your strong sides and set the contact with the HR manager from the very beginning.
A bit further you will see some samples of such letters.
Do not entrust this task to the automated checking software and services.
They catch some main errors but often omit some serious lexical and contextual mistakes.