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French Phrase

Merci d'avoir confirmé.

/mɛʁ.si d‿a.vwaʁ kɔ̃.fɔʁ.me/
Meaning"Thank you for confirming."
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Meaning

This phrase means “Thank you for confirming.” It is a polite way to acknowledge that someone has confirmed a detail, appointment, or piece of information. The construction uses the infinitive after the preposition “de” (contracted to d’ before a vowel).

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When to use

Use this sentence in professional or semi‑formal contexts such as emails, messages, or spoken conversations when you want to thank someone for confirming a reservation, an order, a meeting time, or any piece of information.

✦Grammar Breakdown

Mercid'avoirconfirmé

1

Merci

A simple thank‑you word; can be used alone or followed by a prepositional phrase.

2

d' + infinitive

After “merci”, the preposition “de” introduces an infinitive verb; it contracts to d’ before a vowel.

3

avoir + past participle

The infinitive “avoir” is used with a past participle to form a perfect infinitive, indicating a completed action.

4

confirmé

Past participle of “confirmer”; remains masculine because it refers to the abstract act of confirming.

🗨In Conversation

A

J'ai bien reçu votre e‑mail et je confirme ma présence à la réunion de demain.

I have received your email and I confirm my attendance at tomorrow's meeting.

Merci d'avoir confirmé.

Thank you for confirming.

B

✕Common Mistakes

  • Merci pour avoir confirmé.

    Use “de” (contracted to d’) before an infinitive, not “pour”.

  • Merci d'avoir confirmer.

    The past participle must agree with the auxiliary; here it is “confirmé”, not “confirmer”.

  • Merci d'avoir confirmée.

    The past participle stays masculine unless the direct object precedes the verb; here it is an abstract action, so “confirmé” is correct.

↔Alternatives

  • Merci pour la confirmation.

    Thank you for the confirmation.

  • Je vous remercie d'avoir confirmé.

    I thank you for having confirmed.

  • Merci d'avoir confirmé cela.

    Thanks for confirming that.

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Cultural Tip

In French, “merci de” is followed by an infinitive verb; when the infinitive starts with a vowel, the preposition contracts to “d'”. In formal writing you may also use the longer “Je vous remercie d'avoir confirmé”. Avoid mixing “merci pour” with an infinitive – “merci pour avoir confirmé” is considered incorrect.