Is it necessary to add all your experiences in the resume whether relevant or not?

I am making updating my resume and since the beg8ining of my career, I have changed path a few times. For instance, I have one year of experience as a chat support representative, one and a half year in content marketing, 6 months in finance, and 2 years in branding. Shall I add all experiences in one resume or make separate resumes for all?

Anaya Ahmed said:

I am making updating my résumé and since the beg8ining beginning of my career, I have changed path a few times. For instance, I have one year's of experience as a chat support representative, one and a half year eighteen months in content marketing, 6 six months in finance, and 2 two years in branding.
Shall Should I add include all my experiences experience in one résumé or make separate résumés for all each one?

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Note my changes above. Remember that, except when writing dates, we write the numbers from zero to twenty (inclusive) in full, not as digits.
I don't have much experience with résumés but I would expect to see all experience that's relevant to the job you're applying for. The only concern I have would be that it might leave questionable gaps in your work history.

Those are so different that I would call them separate careers. You could lump them all together as work experience. (See below.)

Mike has had three careers. He was a professional baseball player. Then he was a professional broadcaster. Now he runs his own business.