Smartphone owners are often faced with a situation where they urgently need to open a downloaded archive, but the built-in system tools cannot cope with the format .rar. Unlike computers, where archivers are often built into Explorer, the situation is more complicated on Android mobile devices. A standard file manager can display a file, but when you try to open it, it gives an error or offers only viewing of the contents without the ability to extract.
The problem is relevant for those who receive large amounts of data, documents or installation packages in compressed form. The RAR format provides a high degree of compression and supports dividing archives into parts, which is convenient for transferring via instant messengers with a file size limit. However, it is impossible to extract data from such a container without a special software tool.
In this article we will look at proven methods for working with archives on the Android platform. You will learn how to use popular ones, what free alternatives exist, and what to do if files are password protected. We will also look at the nuances of working with multi-volume archives that require a special approach when unpacking. archivers, what free alternatives exist and what to do if files are password protected. We will also look at the nuances of working with multi-volume archives, which require a special approach when unpacking.
Why Android does not open RAR without third-party applications
The Android operating system by default supports working with the ZIP format, which is an open standard. Format RAR is a proprietary product of RARLAB, and its compression algorithms are protected by patents. That is why Google developers do not include native support for this format in the basic system build in order to avoid licensing fees.
Users have to independently install additional software that contains the necessary libraries for data decoding. Without such an application, the file manager sees the archive simply as a collection of bytes, without understanding the directory structure inside. This is a fundamental limitation that all smartphone owners face, regardless of the device brand.
It is worth noting that the situation may vary depending on the firmware version. Manufacturers like Xiaomi or Samsung sometimes add extended format support to their proprietary shells, but you shouldn’t count on it. It is most reliable to have a proven tool on hand that is guaranteed to cope with the task.
⚠️ Attention: When downloading archivers from third-party sources (not Google Play), there is a high risk of catching adware or viruses. Use only official application stores.
If you often work with archives, install an application that can not only unpack, but also create RAR files directly on your phone. This will save time when sending large amounts of data.
Top 3 best archivers for Android
There are many solutions on the market, but not all of them are equally effective. Some applications are overloaded with advertising, others have reduced functionality in the free version. We have selected three of the most reliable tools that work reliably on modern versions of Android.
The first on the list is the classic one WinRAR for Android. This is the official mobile version of the legendary PC app. It is completely free, does not contain built-in advertising and supports all modern compression algorithms. The interface may seem a little outdated, but the functionality is at the highest level.
The second option is the application ZArchiver. It is very popular due to its support for many formats, including 7Z, ZIP, TAR and, of course, RAR. An important feature is the ability to work with password-protected archives and support for multi-volume archives (part1, part2, etc.).
The third contender is RAR from the developer RARLAB. This is another official solution that is often confused with WinRAR, but they are different applications with a slightly different interface. It does an excellent job of restoring damaged archives, which is critical when downloading files on an unstable Internet.
- 📦 WinRAR: Completely free, without unnecessary fuss, classic interface.
- 🛠️ ZArchiver: Supports a huge number of formats, a convenient file manager.
- 🔄 RAR: Data recovery functions, stable work with large files.
Step-by-step guide: unpacking via ZArchiver
Let's look at the process of extracting files using the example of the most popular tool — ZArchiver. This algorithm of actions is universal and suitable for most tasks. First, you need to download and install the application from the Google Play store, and then give it permission to access the device memory.
Run the app and go to the folder where your archive is located. Typically, downloaded files are located in the directory Download or Downloads. Find a file with the extension .rar or .rar.part1 if the archive is divided into parts. Click on it once to bring up the context menu.
In the list that appears, select Unpack.. or Unpack here. The first option will allow you to select a specific destination folder, which is convenient for order in the file system. The second option will extract the files to the same directory where the archive itself is located.
☑️ Unpacking algorithm
If the archive is protected by a password, the system will prompt you to enter it. After confirmation, the decoding process will begin. The execution time depends on the file size and the memory speed of your smartphone. Upon completion, you will have access to all attached documents, images or installation files.
⚠️ Attention: When unpacking very large archives (more than 2-3 GB), make sure that there is enough free space on the internal drive. Temporary files can occupy a volume equal to the size of the compressed data.
Working with multi-volume and password-protected archives
Users often encounter files with names like archive.part1.rar, archive.part2.rar and so on. These are multi-volume archives created for ease of transfer via the Internet. For successful unpacking, it is necessary that all parts are in one folder and downloaded in full.
The process of opening such files is no different from working with a regular archive, but there is an important nuance. Unpacking must begin strictly from the first volume (.part1.rar). The app will automatically pick up the remaining parts and assemble them into a single whole. If you try to open the second part separately, the application will throw an error.
As for password protection, the situation here depends on the complexity of the key. Modern encryption algorithms in the RAR format are almost impossible to crack by brute force on a mobile device. If you have forgotten your password, your only chance is to find it in the source where the file was downloaded, or use an unprotected version of the archive.
What to do if one of the parts of the archive is damaged?
Some archivers, for example RAR from RARLAB, have a recovery function. It only works if recovery information was added when creating the archive. Without this entry, a damaged volume will render the entire archive unreadable.
When entering your password, be careful about the letter case and keyboard layout. A common mistake is to enter a character in Russian instead of English, which may visually look the same for some characters. Use English layout to guarantee success.
Comparison of features of popular applications
To make it easier for you to choose the right tool, we have compiled a comparative table of the main characteristics of market leaders. Pay attention to the presence of advertising and support for specific functions, as this directly affects the comfort of use.
| Application | Price | Advertising | RAR creation | Multi-volume |
|---|---|---|---|---|
| WinRAR | Free | No | Yes | Yes |
| ZArchiver | Free (Pro paid) | Yes (in free) | Yes | Yes |
| RAR | Free (Pro paid) | Yes (in free) | Yes | Yes |
| Files by Google | Free | No | No (ZIP only) | No |
As can be seen from the table, a universal file manager Files by Google is not suitable for our purposes, since it ignores the format RAR. For full operation, specialized software is required. Paid versions (Pro) are usually needed only to disable advertising; the unpacking functionality is available in all versions.
Any free application is suitable for one-time tasks. If you work with archives every day, it makes sense to purchase the Pro version of ZArchiver to disable advertising and speed up work.
Typical errors and ways to solve them
Even when using high-quality software, users may encounter errors. The most common problem is a message that the file is damaged or has an unknown format. Most often, this indicates that the file download was not completed completely.
Check the file size. If it is significantly less than what is stated on the source site, it means that the download was interrupted. In this case, you need to delete the broken file and download it again, preferably using a stable Wi-Fi connection. It's also worth trying to clear your browser cache before downloading again.
Another common error is Not enough space. Unpacking requires a temporary buffer. If your internal storage is full, the process will be interrupted in the middle. Free up at least 10-15% of the total memory before starting to work with large archives.
⚠️ Attention: Application interfaces and menu item names may differ depending on the version of Android and the specific smartphone model. If you do not find the specified button, look for an icon with a similar meaning.
Sometimes the problem lies in the file name itself. If special characters or Cyrillic are used in the archive name, some older versions of apps may not process the path correctly. Try renaming the file to a simple Latin name, for example data.rar, and try again.
Is it possible to unpack RAR on a computer and transfer the files?
Yes, this is an excellent backup option. If your phone can’t handle it, unpack the archive on your PC, connect your phone with a cable and copy the finished files to the device’s memory. This will relieve the load on the smartphone's processor.
Frequently asked questions (FAQ)
Is it possible to open RAR without installing applications?
On standard versions of Android this is not possible. Some manufacturers (for example, Xiaomi in the MIUI shell) build RAR support into their explorer, but pure Android (Pixel, Motorola) requires the installation of third-party software.
Is it safe to open archives from unknown sources?
The unpacking process itself is safe, but the contents of the archive may contain viruses. Be sure to scan the extracted APK files or executable scripts with an antivirus before launching.
Why does the archiver ask you to buy a license?
Most popular applications are free for basic tasks. A paid license is usually only needed to create archives in proprietary formats or to disable advertising banners. Unpacking is almost always free.
What to do if the password does not match?
Check the keyboard layout and letter case. If you downloaded a file from a forum or file hosting service, the password is often indicated in the description of the distribution or on the download page. Without the correct password, it is impossible to access the data.
How to merge parts of an archive manually?
There is no need to manually merge parts. Modern archivers do this automatically when unpacking the first volume. The main thing is that all parts (part1, part2..) are in the same folder and have the correct names.