Ce dossier est important; je le range près de mon ordinateur.

This folder is important; I put it away near my computer.

Breakdown of Ce dossier est important; je le range près de mon ordinateur.

• je: I
• être: to be
• mon: my (before a masculine singular noun)
• près de: near

Questions & Answers about Ce dossier est important; je le range près de mon ordinateur.

Why is it Ce dossier and not Cet dossier or Cette dossier?

Because dossier is masculine and starts with a consonant sound. Use:

• ce before a masculine noun starting with a consonant: ce dossier
• cet before a masculine noun starting with a vowel or mute h: cet ordinateur, cet homme
• cette before any feminine singular noun: cette affaire
• ces for plurals: ces dossiers, ces affaires

What does dossier mean here? Is it a paper folder, a computer file, or something else?

• In everyday French, un dossier is a folder or a case file (physical or figurative).
• In computing, un dossier = a folder/directory; a computer file is un fichier.
• A slim paper folder is often une chemise. Given the phrase près de mon ordinateur, it likely means a physical folder being put near the computer.

What exactly does ranger mean? Could I use mettre or placer instead?