Grammarly helps revise grammar, clarity and tone, with AI support for drafting and rewriting. Use the suggestions selectively so the finished message still sounds like you.

Grammarly is a writing assistant for revising text and working on drafts. It is most useful when you already know what you want to say but need help making the message clear, consistent and appropriate for its audience.
Write the substance of a customer email before reviewing suggestions. Keep the specific explanation and promised next step, then use Grammarly to shorten long sentences or fix unclear wording. Read the complete message aloud after editing; individual improvements can still make the whole paragraph sound uneven.
A writing suggestion is a choice, not an instruction. Technical terms, dialect and deliberate informal language may need to stay as written. Grammarly can improve expression, but it cannot verify a business promise or supply missing evidence for a claim.
Free and paid plans are available. The plan comparison explains which revision tools, AI allowances and organization features are included.