Modern smartphones based on Android have become full-fledged pocket computers, where a huge amount of data is stored: from photos and videos to documents and archives. But how to effectively manage this chaos of files? This is where file manager comes to the rescue - a built-in or third-party application, which many users undeservedly ignore. Meanwhile, proper use of a file manager allows you not only to free up space on your device, but also to speed up its operation, protect personal data, and even restore accidentally deleted files.

Many people mistakenly believe that a file manager is only needed to view folders and delete unnecessary data. In fact, its capabilities are much wider: from working with cloud storage to encrypting confidential information. In this article, we will look in detail at why you need a file manager on Android, what tasks it solves and how to choose the best option for your smartphone.

What is a file manager and how does it work

File Manager (or file manager) is software that provides the user with an interface for working with the device’s file system. Unlike computers, where file managers (for example, Windows Explorer or Finder on macOS) are an integral part of the OS, on Android the situation is different. Here, manufacturers often install simplified versions, and users are forced to look for alternatives in Google Play.

The main task of the manager is to give access to all files and folders on the device, including hidden system data (if you have root access). It allows you to:

  • 📁 View the structure of folders and files
  • 🗑️ Delete, copy, move and rename files
  • 🔍 Search for data by name, type or creation date
  • 🔒 Manage file access rights
  • 📎 Archive and unpack ZIP/RAR archives

It is important to understand that on Android the file system has a hierarchical structure, where the root directory (/) contains system folders (/system, /data) and user data (/sdcard or /storage/emulated/0). Without a file manager, access to most of these folders is limited or completely impossible.

📊 Which file manager do you use?
Built-in from the manufacturer
Solid Explorer
FX File Explorer
Total Commander
Other
I don’t use

Basic functions of the file manager on Android

Even basic file managers offer a set of tools that make working with your smartphone much easier. Let's look at the key features that make these applications indispensable:

1. Managing device memory

Using the manager, you can quickly determine which files take up the most space. For example, the DCIM (photos and videos) or Downloads (downloads) folder is often full of unnecessary data. Many managers, such as Files by Googleeven offer automated cache and duplicate cleaning.

2. Working with cloud storage

Modern dispatchers (for example, Solid Explorer or MiXplorer) support integration with Google Drive, Dropbox, OneDrive and other clouds. This allows you to sync files between devices or free up space on your smartphone by moving rarely used data to the cloud.

3. Archiving and Backup

The ZIP archive feature is useful for backing up important data before resetting or for sending large numbers of files via email. Some managers (for example, RAR for Android) support working with formats .rar and .7z.

4. Accessing system files (with root access)

Advanced users can use the file manager to edit system configurations (for example, file build.prop), remove bloatware (pre-installed applications) or change permissions for applications. However, this requires root accesswhich may void the warranty.

What is root access?

Root access (or superuser rights) is the ability to manage Android system files at a low level. It allows you to remove built-in applications, change system settings and install modified firmware. However, incorrect use of root can lead to a bricked device (complete inoperability) or security vulnerabilities.

When a file manager becomes necessary

Many users do without a file manager until they encounter one of the following situations:

  1. Low memory. The smartphone starts to slow down, applications are not updated, and the system displays a “Memory full” notification. The file manager helps you quickly find and delete unnecessary data, such as:
    • 🎬 High-resolution videos (especially from 4K cameras)
    • 📸 Duplicate photos (for example, screenshots or edited copies)
    • 🎵 Unused music tracks or podcasts
    • 📦 Application cache (for example, Telegram or Instagram may occupy gigabytes)
  • Transferring data to a new device. When purchasing a new smartphone, the file manager allows you to manually copy important data (contacts in format .vcf, photos, documents) to a memory card or to the cloud.
  • Recovering accidentally deleted files. Some managers (for example, DiskDigger) have built-in tools for searching for deleted files if they have not yet been overwritten.
  • Installing APK files. Installing applications from third-party sources (not from Google Play) requires access to the file system. The file manager allows you to find and run .apkfile.
  • Working with OTG drives. When you connect a flash drive or external hard drive via USB OTG the file manager becomes the main tool for managing data on removable media.
    • 💡

    If you often have to connect OTG drives, choose a file manager with support FTP servers (for example, Solid Explorer). This will allow you to manage files on your smartphone directly from your computer via a browser, without additional cables.

    The choice of a file manager depends on your tasks. Below is a comparative table of popular solutions:

    Application Free Cloud integration Root access Archiver Features
    Files by Google Yes Google Drive No Basic (ZIP) Auto-cleaning, search for duplicates, simple interface
    Solid Explorer Conditionally (14 days trial) Dropbox, OneDrive, Google Drive, FTP Yes ZIP, RAR, 7z Dual-panel mode, encryption, dark theme
    FX File Explorer Yes (with advertising) Google Drive, Box, Nextcloud Yes ZIP, TAR, GZ Built-in text editor, plugin support
    Total Commander Yes FTP, WebDAV, LAN Yes ZIP, RAR, 7z Batch renaming, built-in media player
    MiXplorer Yes (free on XDA Developers) All popular clouds + FTP/SMB Yes All formats Maximum customization, theme support, built-in APK installer

    MiXplorer is considered the most functional file manager for Android, but its official version is distributed only through the forum XDA Developerswhich can cause difficulties for beginners.

    How to use the file manager correctly: step-by-step guide

    If you have never used a file manager on a smartphone, follow these instructions to avoid mistakes:

    Step 1. Installation and configuration

    Download the selected manager from Google Play (for example, Solid Explorer). When you first start, provide access to the storage (Permissions → Memory). To work with clouds, log in to the appropriate services.

    Step 2. Basic operations with files

    • 📂 To copy a file, hold its icon → select "Copy" → go to the target folder → click "Paste".
    • 🗑️ For delete select the files → click "Delete" (some managers have a "Trash" from where files can be restored).
    • 🔄 To rename, click on the file → "Rename" → enter a new name.

    Step 3. Working with archives

    To archive files:

    1. Select the desired files/folders.
    2. Click "Compress" (or "Archive").
    3. Select the format (ZIP or RAR) and compression level.
    4. Specify the archive name and folder to save.

    Step 4. Connecting to the clouds

    In the manager menu, find the "Clouds" or "Network" section → add an account (Google Drive, Dropbox etc.). After authorization, the cloud storage will appear as a regular folder.

    ☑️ Preparing to clear memory

    Done: 0 / 5

    Dangers and limitations of file managers

    Despite the obvious benefits, Working with file managers is fraught with risks:

    ⚠️ Attention: Deleting or changing system files without root access can lead to application failures. For example, deleting the folder /Android/obb (where game data is stored) will make the games inoperable.

    1. Accidental deletion of important data

    Many users confuse folders DCIM (camera photos) and Pictures (downloaded images), deleting everything. To avoid this:

    • 🔍 Enable the display of hidden files in the manager settings.
    • 📌 Before bulk deleting, check the contents of the folders.
    • 🔄 Use the "Recycle Bin" function (if available) to restore erroneously deleted files.

    2. Security vulnerabilities

    Some file managers (especially from unverified sources) may contain malicious code that steals data. Signs of an unsafe application:

    • 🚫 Requests unnecessary permissions (for example, access to SMS or contacts).
    • 📱 Intrudes advertising or redirects to suspicious sites.
    • 🔄 Updates too often for no apparent reason.
    ⚠️ Attention: Avoid file managers that promise to “speed up your smartphone by 300%” or “recover deleted files without root.” Most often these are fraudulent applications.

    3. Limitations on modern versions of Android

    Starting from Android 11Google has tightened the rules for accessing the file system. Now applications are prohibited from freely interacting with the folders of other apps. For example, the file manager will not be able to:

    • 📁 Delete or change files in folders /Android/data and /Android/obb without root.
    • 📎 Access files WhatsApp or Telegram without the user's explicit permission.
    💡

    On Android 10+, full access to the file system requires either root or the use of special commands via ADB. Without this, the functionality of file managers is limited.

    Hidden features of file managers that you did not know about

    Advanced users can unlock the full potential of file managers using little-known functions:

    1. FTP server on a smartphone

    Applications like Solid Explorer or FX File Explorer allow you to run FTP server directly on the phone. This makes it possible to:

    • 🖥️ Manage files on your smartphone from your computer via a browser (at ftp://[phone IP address]).
    • 📤 Quickly transfer large files between devices in one network.
    • 🔧 Configure access by login/password for security.

    2. Encryption of confidential files

    Some managers (for example, MiXplorer) support the creation of encrypted containers (for example, in format .enc). This is useful for:

    • 🔐 Storing passwords, scanned documents or personal correspondence.
    • 📱 Data protection in case of loss or theft of a smartphone.

    3. Automation of tasks

    Using Tasker or built-in scripts in Total Commander you can configure automatic:

    • 🗑️ Removing old files from a folder Downloads once a week.
    • 📁 Moving photos from the camera to the cloud immediately after shooting.
    • 🔄 Backing up the SMS database to a memory card.

    4. Access to network folders (SMB)

    If you have a NAS server or network storage at home, the file manager can connect to it via the protocol SMB. To do this:

    1. In the manager menu, select "Add storage" → "LAN/SMB".
    2. Specify the server IP address, user name and password.
    3. Done! Now the network folder is displayed as a local one.

    FAQ: Frequently asked questions about file managers on Android

    Is it possible to do without a file manager?

    Technically, yes, but this will greatly limit your capabilities Without a file manager. You can:

    • Delete files from folders that are not accessible through the gallery (for example, downloads or documents).
    • Manage files on a memory card or OTG drive.
    • Install APK files from third-party sources.
    • Archive or encrypt data.

    Built-in Android tools (for example, the "Files" section in the settings) provide minimal functionality and do not replace a full-fledged manager.

    Which file manager is the most secure?

    The most reliable options:

    • Files by Google - official application from Google, without unnecessary fuss and suspicious permissions.
    • Solid Explorer —closed source code, but a good reputation and no scandals with data leaks.
    • MiXplorer —open source code (available on XDA), but requires manual installation.

    Avoid little-known dispatchers with suspiciously high scores and a large number of permissions.

    Is it possible to recover files after cleaning through the manager?

    It depends on how the files were deleted:

    • If you used recycle bin (for example, in Solid Explorer), the files you can restore from it.
    • If files have been deleted irretrievablythe chances of recovery depend on:
      • Memory type (on internal memory recovery is more difficult than on memory card).
      • Time elapsed after deletion (new data can overwrite old ones).

    For recovery, you can use specialized applications such as DiskDigger or Undeleter, but they require root access for maximum efficiency.

    Why does the file manager not see the memory card?

    Possible reasons and solutions:

    • 📱 The card is not formatted → Format it through the phone settings (Settings → Storage → Memory card).
    • 🔄 Mounting problems → Reboot the device or remove/insert the card again.
    • 🛠️ Damaged file system → Connect the card to the computer and check for errors using chkdsk (Windows) or fsck (Linux/macOS).
    • 📵 Android limitations → Starting from Android 11, applications are prohibited from random access to memory cards. Use the built-in manager or grant permissions manually.
    How to transfer files from Android to a computer without a cable?

    Wireless transfer methods:

    1. FTP server (via Solid Explorer or FX File Explorer):
      • Start the FTP server in the manager.
      • On your computer, open the browser and enter the address ftp://[phone IP address].
    2. Cloud storage (Google Drive, Dropbox):
      • Upload files to the cloud through the manager.
      • Download them to your computer via the web interface.
    3. Transfer applications (Send Anywhere, Xender):
      • Install the application on your phone and computer.
      • Scan the QR code to pair your devices.