Filter only highlights the specific data, while I want to apply it on whole project.

You've lost me. You said you wanted to highlight tasks for the next 5 days - how does that apply to the whole project?

I said, I want to apply bold and highlight action in the project plan keeping in view followings.

1. Already completed tasks (dates highlight with blue color font)

2. Today's tasks (dates highlight with Green color font)

3. Tasks for next5 days (dates highlight with Red color font)