J’archiverai les photos, même si le format de fichier change.

Because je becomes j’ before a vowel sound. This is called elision.

• je + archiverai → j’archiverai
• The same thing happens in j’aime, j’habite, j’écoute

French does this to make pronunciation smoother.

Archiverai is the simple future tense, first person singular.

• archiver = to archive
• j’archiverai = I will archive

For regular -er verbs, the future is usually built from the infinitive plus endings:

• -ai
• -as
• -a
• -ons
• -ez
• -ont

So:

• j’archiverai
• tu archiveras
• il/elle archivera
• etc.

Not exactly.

Archiver means to archive: to store something for long-term keeping, organization, or record-keeping.

It is different from:

• enregistrer = to save / record
• sauvegarder = to back up

So archiver les photos suggests putting the photos into storage or an archive, not just clicking Save.

In French, nouns usually need an article or other determiner. So French normally says:

• les photos
• not just photos

Here, les means the and marks the noun as plural.

Also, photo is the very common short form of photographie.

Même si means even if.

It introduces a contrast or concession: the main action will still happen despite that condition.

So:

• J’archiverai les photos, même si le format de fichier change.
• I will archive the photos, even if the file format changes.

Compare:

• si = if
• même si = even if

Même si is stronger because it emphasizes that the result stays the same.

Because after si and même si, French normally uses the present indicative to talk about a future possibility.

So French says:

• même si le format de fichier change

not normally:

• même si le format de fichier changera

This is similar to English, which also often uses the present after if:

• Even if the file format changes...

So the pattern here is very normal:

• main clause in the future: j’archiverai
• même si clause in the present: change

Because même si normally takes the indicative, not the subjunctive.

That is because it presents a condition or possibility as something real or conceivable, not as something merely wished, doubted, or judged emotionally.

So:

• même si le format de fichier change ✅

not:

• même si le format de fichier change with subjunctive meaning intended ❌

In this sentence, change is the present indicative form of changer.

Literally, it means something like the format of file, but in natural English we say the file format.

French often uses de + noun where English uses a noun as an adjective-like modifier.

So:

• un format de fichier = a file format
• le format de fichier = the file format

This is a very common structure in French.

Because de fichier is being used in a general/type sense: it means file format as a category.

• le format de fichier = file format, format used for files in general

But:

• le format du fichier = the format of the file

That second version refers to one specific file.

So the difference is:

• de fichier = generic category
• du fichier = a particular file

No, it is pronounced differently.

French change is pronounced roughly like shahnzh.

A more precise pronunciation is /ʃɑ̃ʒ/.

A few important differences from English:

• it starts with a sh sound, not ch as in English change
• the vowel is nasal
• the final sound is zh, not j

So it does not sound like the English noun change.

Yes. That is also correct.

• J’archiverai les photos = simple future
• Je vais archiver les photos = near future

Both can mean I will archive the photos.

Very roughly:

• je vais archiver is extremely common in everyday speech
• j’archiverai can sound a bit more neutral, deliberate, or formal

In this sentence, either one could work, but j’archiverai is perfectly natural.