How do I politely remind someone to do something?

Start with a positive tone, such as "I know you have a lot on, so this is just a little nudge." Then name the specific thing you need, for example "Could you let us know if you can come to the wedding?" Give a clear deadline: "We would be grateful for your reply by the end of the week." This avoids ambiguity. Then add a reason why you are asking, if helpful: "We need to confirm numbers with the venue." That makes it feel practical, not personal. Close with thanks: "Thanks so much for your help with this." If you are reminding someone about a task like sending back a card or booking a hotel, keep the same structure. Avoid apologising too much, as that can feel awkward. One "sorry to chase" is enough. You can also offer help: "If you need another invitation or the link again, just let me know." That removes barriers. For a group reminder, keep it general. For an individual, you can be more direct but still warm. The goal is to make it easy for them to say yes and to do the task quickly.