French phrase
Combien de temps ~ sera-t-il conservé ?
Meaning
How long will ___ be retained?
When to use it
A question about how long something is retained. It has a formal, administrative tone and is used for records, documents, or data.
Example dialogue
Combien de temps ce fichier sera-t-il conservé ?
How long will this file be retained?
Il sera conservé pendant 5 ans.
It will be retained for 5 years.