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On a Chromebook, open ZIP files with the built-in Files app: double-click a ZIP to browse it, or use Extract all to save its contents in a folder. Google lists RAR as a supported compressed format, but its Chromebook instructions do not give a specific RAR extraction procedure. For 7z—or if Files cannot handle a RAR archive—RARLAB’s RAR Android app is an option when your Chromebook supports Google Play and app installation is allowed.

Extract a ZIP file with the Chromebook Files app

  1. Open the Files app and find the ZIP archive. It may be in Downloads, Google Drive, or another location where you saved it.
  2. Double-click the ZIP file. It appears in the left pane, and you can double-click an item inside to open it. This lets you browse the archive; it does not necessarily save all its contents as ordinary files in a folder.
  3. To extract a group of zipped files into one folder, right-click the folder and select Extract all. Google documents this action for a group of zipped files; do not assume the same menu command applies to every archive type.

These ZIP steps follow Google’s Chromebook file instructions.

Open RAR files on a Chromebook

Google includes .rar in its list of compressed formats that work on Chromebooks, but its help page does not provide a RAR-specific extraction walkthrough. Try opening the file in Files and use an available open or extract action if it works. If Files cannot unpack it, try a compatible archive utility such as RARLAB’s RAR app.

Google’s format list is not a guarantee that every RAR archive will open. Encryption, damage, multipart archives, or compatibility with the particular app can prevent extraction.

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Extract 7z files with an Android app

Google’s supported compressed-file list does not name 7z, so it does not establish a universal built-in 7z extraction workflow for ChromeOS. RARLAB’s RAR app on Google Play lists unpacking for 7z as well as RAR and ZIP, and its listing shows Chromebook compatibility. That makes it a practical option, not a guarantee that it will work on every Chromebook or account.

Check whether your Chromebook can install the app

  1. Open Settings and look for the Google Play Store setting. Follow Google’s instructions for installing and using Android apps if the setting is available.
  2. If the Play Store setting is absent, Google says the Chromebook does not work with Android apps. Older models have device-specific support; Chromium says devices launched in or after 2019 support Android apps unless otherwise specified, while older devices depend on individual rollout and compatibility. Check your model rather than relying on the year alone.
  3. If this is a school- or work-managed Chromebook, an administrator may block Play Store access or app downloads. Ask the administrator about permitted options.
  4. If Play Store access is available and allowed, install RARLAB’s RAR app, open the archive with it, and use its extraction controls.

Which method should you use?

Archive Built-in Files guidance Alternative and conditions
ZIP Google documents double-clicking to browse and Extract all for a group of zipped files. Use the built-in workflow first.
RAR Google lists RAR as a supported compressed format, but does not give a specific extraction procedure. Try Files; if it cannot unpack the archive, RARLAB’s RAR app lists RAR support. Android app availability and administrator policy apply.
7z Google’s compressed-file list does not name 7z. RARLAB’s RAR app lists 7z extraction. The Chromebook must support Google Play, and installation must be permitted.

Troubleshoot common extraction problems

The ZIP opens, but the files are not in a regular folder

Opening a ZIP lets you browse its contents. To save a group of zipped files into one folder, use the documented Extract all action where it is available.

There is no Play Store setting

Google says a Chromebook without the Play Store setting does not work with Android apps. For older devices, check model-specific compatibility using Chromium’s Android-app support list.

The Chromebook is managed

Schools and employers can restrict adding Android apps. Ask the administrator whether RARLAB’s app or another archive utility is allowed.

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The archive is on a USB drive or SD card

ChromeOS supports external storage, but the drive must use a supported filesystem. See Google’s file type and external-device guidance. When finished, safely eject removable storage from the Files app.

The app cannot extract the archive

Format support does not ensure that every individual archive can be unpacked. An encrypted or damaged file, a missing part of a multipart archive, or app compatibility can be the cause. Confirm you have the complete archive and the required password, if applicable, then try an allowed compatible utility.

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