Many smartphone users perceive their gadget solely as a means of communication or a platform for entertainment, without even suspecting that complex work with thousands of files takes place inside the device every day. Explorer for Android (or file manager) is a fundamental tool that provides access to the “insides” of the operating system, allowing you to see the data structure as clearly as you see folders on the computer desktop. Without this application, your smartphone remains a “black box” where files appear and disappear without your knowledge.
Why does the question so often arise about the need for a third-party file manager if the system already has a basic application? The fact is that standard solutions from manufacturers often limit access to system partitions or hide important technical files for the sake of the “security” of an inexperienced user. However, for advanced memory management, data transfer or garbage cleaning, you need full control, which is provided by a full-fledged file manager file manager.
In this article, we will analyze in detail the functionality of explorers, find out what tasks they solve best, and learn how to use them to optimize the operation of your device. You will understand that proper file management is not just about putting things in order, but a way to extend the life of the battery and free up gigabytes of valuable space.
Basic functions and navigation through the file system
The main task of any file manager is to provide a convenient interface for navigating the hierarchical structure of data storage. Unlike iOS, where access to the file system is strictly limited by the application sandbox, Android is based on the Linux architecture, giving the user direct access to directories. This means that you can see not only your photos and music, but also the application cache, system logs and installation packages.
Modern explorers offer various display modes: list, grid or detailed view sorted by date, size or file type. Navigation becomes intuitive thanks to the function "Favorites", which allows you to pin frequently used folders to the top of the screen. In addition, many applications support root access, which opens up the possibility of editing system files, although this requires caution.
A key advantage of using a quality Explorer is the ability to perform batch operations. You can highlight dozens of photos, move them to cloud storage, or archive them with one tap. Standard galleries or music players often do not allow you to manage files so flexibly, focusing only on displaying content and not on organizing it.
⚠️ Attention: When working with system folders (for example, /system or /data) without root access, you may only see part of the content. Trying to delete critical files through a third-party Explorer with superuser rights may result in the device not working properly (bootloop).
Use the "Recent Files" feature in Explorer to quickly find a document you downloaded an hour ago, without wandering through deep downloads folders.
Memory management and device cleaning
One of the most pressing problems of smartphone owners is the lack of internal storage. Memory analysis Using an advanced explorer, you can accurately determine which files take up the most space. Built-in system tools often show general statistics, but do not provide detail to specific forgotten videos or duplicate documents.
Specialized tools inside file managers are able to scan the device for “junk” files: residual data from deleted applications, empty folders and temporary cache files. Regular cleaning of such data not only frees up space, but can also speed up the interface, since the system does not need to index unnecessary objects.
Here are the main types of files that should be checked manually through Explorer to free up space:
- 🗑️ Folder
Download/TelegramorWhatsApp/Mediawhere automatically saved pictures and videos from instant messengers are accumulated. - 📦 Files with the extension
.apkin the downloads folder, which remain after installing applications and are no longer needed. - 🎵 Duplicate music tracks or podcasts downloaded by different applications into different directories.
- 📸 Screenshots and bad photos that take up space but have no value.
It is important to understand the difference between clearing the cache and clearing the data. If you delete cache files through File Explorer, apps will simply create them again the next time you launch them. However, deleting data (for example, game databases or app settings) will reset these applications to the factory state.
☑️ Weekly memory cleaning
Working with archives and data compression
The functionality of modern Explorer has long gone beyond simply copying files. The most important feature is working with archives in ZIP, RAR, 7Z and other formats. This allows you not only to save space when storing large amounts of data, but also to conveniently transfer groups of files via mail or instant messengers, where there is a limit on the number of attachments.
The archiving process is simple: you select the necessary files, select the "Compress" or "Add to archive" option and set the compression parameters. The reverse operation - unpacking - is also performed in a couple of touches. Many managers support opening archives without first extracting them, which is convenient for quickly viewing documents inside the “package.”
In addition, some applications offer the function of encrypting archives with a password. This is critical when transmitting confidential information. You create a password-protected ZIP Archive, send it to the recipient, and communicate the password through another communication channel. Without a dedicated file explorer with this feature, you would have to install a separate application just for this purpose.
⚠️ Note: The RAR format often provides better compression than ZIP, but may require a paid version of the application or a subscription to create it. Free explorers usually work well only with ZIP and TAR.
Network functions and data exchange
In the era of smart home and cloud technologies, isolated data storage on a smartphone is becoming less relevant. Modern file managers turn your phone into a full-fledged network terminal. They support connecting to cloud storage (Google Drive, Dropbox, Yandex.Disk) directly, allowing you to copy files between your phone and the cloud without the need to first download them to the device’s memory.
An even more powerful feature is support for the network protocols SMB, FTP and WebDAV. This allows you to connect to your home computer, NAS server, or even another smartphone on the same Wi-Fi network. You can watch movies stored on your PC hard drive directly from your phone screen, or back up photos to your home server automatically.
To quickly transfer files between devices without the Internet, many explorers use the technology of creating a local access point. One device becomes a server, and the others connect to it through a browser or the same file manager. The speed of such transmission is limited only by the capabilities of the Wi-Fi module and significantly exceeds the speed of Bluetooth.
Comparison of popular protocols for data transfer:
| Protocol | Speed | Configuration complexity | Security |
|---|---|---|---|
| Bluetooth | Low | Minimum | Average |
| Wi-Fi Direct | High | Average | High |
| SMB (Local Area Network) | Very high | High | Depends on the password |
| FTP | High | Medium | Low (without encryption) |
Hidden files and system settings
The Android operating system by default hides files and folders whose names begin with a dot (for example, .nomedia or .android). This is done to prevent the user from accidentally deleting important configuration data. However file manager with the option to show hidden files allows you to see the full picture of what is happening in memory.
Why does the average user need this? Often, hidden application folders (for example .spotify or .telegram) store cached media files that take up gigabytes of space but are not displayed in the gallery. Once you find such folders, you can manually clean them up or create a file inside them .nomediaso that media players stop indexing this content.
Also, working with hidden files is necessary when transferring the settings of some apps. Many applications store their configurations in hidden directories. When reinstalling the system or changing the phone, manually transferring these folders through an advanced explorer can save your preferences and progress in games that do not support cloud synchronization.
To enable the display of hidden files, you usually just need to go to the settings of the explorer application itself and activate the corresponding switch. After this, translucent icons of folders and files will become visible in the general list.
⚠️ Attention: Interfaces and menu names in file managers may change with updates. If you don't find the option you're looking for, check the Settings section within the app itself, not in your phone's settings.
What is a .nomedia file?
This empty file tells the Android media scanner to ignore this folder. If you put it in a folder with memes, they will no longer appear in your general gallery, but will remain accessible through the file manager.
Choosing the best explorer: what to look for
The application market offers hundreds of options, from simple built-in utilities to powerful all-in-one tools like Total Commander, Solid Explorer or FX File Explorer. When choosing, you should focus not on the amount of advertising, but on the set of functions that you need. For some, a minimalistic design is important, and for others, support for plugins and scripts is important.
Pay attention to support for working with archives out of the box. Some free versions require the installation of additional plugins to open RAR or 7Z, which is inconvenient. Also an important criterion is the presence of a two-panel mode (as in classic file managers on a PC), which significantly speeds up moving files between folders.
Privacy policy is no less important. Avoid applications from unknown developers that require suspicious permissions (access to contacts, microphone) to work with files. A good Explorer should only request permission to access the storage.
Key selection criteria:
- 🚀 Availability of a built-in text editor for quickly editing configs.
- ☁️ Support for popular cloud services without the need to install separate applications.
- 🎨 Ability to change themes and customize control gestures.
- 🔒 Function of hiding private files with a password or fingerprint.
An ideal file manager should balance between power of functions and simplicity of the interface, without overloading the user with unnecessary settings, but providing access to them if necessary.
Is it possible to remove the standard Explorer and install another?
Yes, in most cases, you can disable or delete updates to the standard “Files” application in the system settings and use any third-party analogue from Google Play. However, on some smartphones with a heavily modified shell (for example, older versions of MIUI), the system explorer can be deeply integrated, and its complete removal will require root access.
Is it safe to give the explorer access to all files?
In modern versions of Android (11 and higher), the system requires permission to access all files for the manager to fully work. It is safe if you have downloaded the application from the official Google Play store and the developer has a good reputation. Avoid installing explorers from dubious sources.
Why does the explorer not see files on the SD card?
Most often, the problem lies in incorrect formatting of the memory card (the exFAT file system may not be supported by older devices) or in the fact that the card is switched to “internal memory” mode (adoptable storage). In the latter case, the files are encrypted and accessible only to the device on which the card was formatted.
How to find files downloaded from Telegram if they are not in the gallery?
Telegram files are often saved in hidden folders or specific directories. Use a search by file extension (for example, .jpg or .mp4) inside the explorer or go to the path Android/media/org.telegram.messenger/Telegram (the path may differ depending on the Android version and application settings).
Why do you need the "Storage Analysis" function in Explorer?
This feature visualizes memory usage in the form of a color chart, allowing you to instantly determine which types of files (videos, applications, documents) take up the most space. This is much more effective than manually sorting folders by size, as it shows the overall picture of resource consumption.