Windows Subsystem for Android on Windows 11 update adds file sharing and more

Windows Insiders can download a new feature update for Windows Subsystem for Android. The new version (build 2304.40000.5.0) adds several new features, but the biggest one is the addition of file sharing.

Here are the details of the new File Sharing feature, which also include info on its privacy options, and some known issues:

What is File Sharing?

We’ve been listening to the community, and many of you have been asking us to support sharing files between Windows and the Subsystem. We are pleased to announce that Windows Subsystem for Android™ can now share your Windows user folders, like Documents and Pictures, with the Subsystem, so scenarios like uploading a photo to a social media app or editing a video in a creative app work seamlessly. Folder sharing is enabled by default for preview users and can be toggled on and off in Windows Subsystem for Android™ Settings. When folder sharing is enabled, your Windows user profile folder (e.g., “C:\Users\John Doe”) is shared as “/sdcard/Windows” in the Subsystem.

Privacy

Your privacy and security are important to us, so Android apps can only view or edit your files with your permission. Apps must show a system dialog to request your permission, and permission can be revoked at any time from app settings. The Subsystem also guards against malicious apps that would abuse your permission by scanning all Android apps with your antivirus software during installation and blocking threats, whether you installed the app from the Amazon Appstore or installed it with developer tools.

Limitations

There are a few restrictions you should be aware of:

• Only files in your Windows user profile folder are available to the Subsystem. Windows system folders, Program Files, other users’ folders, external drives, etc. are not supported.
• Only files the Subsystem saves to “/sdcard/Windows” are available to Windows. When opening files in other folders from an Android™ app, the Subsystem offers the option of copying the file to Windows and opening it there.
• Windows hidden files/folders like AppData and Android hidden files/folders (dot prefixed names) are excluded from sharing.
• Executable file types, like “.exe” are excluded from sharing to protect your security. If the Subsystem tries to save a file with a blocked extension to “/sdcard/Windows”, the save will fail.
• Cloud storage files must be downloaded to your device. If your cloud storage provider includes online-only files in File Explorer, the online-only files will not be available to the Subsystem until you download them. Simply open an online-only file in File Explorer to download it and make it available to the Subsystem. You can also modify your cloud storage settings to make some or all of your files always available offline.
• The Subsystem needs to index shared files before apps can access them. Indexing is usually quick but may take longer if you have a lot of files. Recent files are prioritized, so if you can’t find a file in an Android app, try opening it from File Explorer first.
• You can also share individual files with specific Android apps, even if folder sharing is disabled. Simply drag and drop files from File Explorer to any open Android™ app that supports sharing files. Some Android apps also support pasting files copied to the Windows clipboard. In these cases, apps only receive read access to the shared file.

Here's the full changelog for the update:

• File sharing enabled.
• File transfer using drop and drop and copy and paste.
• Windows Subsystem for Android Settings (renamed to just “Windows Subsystem for Android”) redesign, including displaying all installed Android apps.
• Enable apps that specify android.hardware.type.pc in their manifest to opt into receiving raw input events.
• Wi-Fi API compatibility improvements.
• Camera hardware compatibility improvements.
• Linux kernel security update.
• Updated latest Chromium WebView to version 113.
• Android 13 security updates.

You can download Windows Subsystem for Android with the Amazon App Store from the Microsoft Store on compatible PCs running Windows 11. Hardware requirements for WSA are available here.