網(wǎng)絡(luò)類型需設(shè)為“專用”以啟用文件共享；2. 確保文件夾權(quán)限設(shè)置正確，允許“所有人”訪問；3. 如需連接舊設(shè)備，應(yīng)啟用SMB 1.0/CIFS協(xié)議；4. 防火墻或殺毒軟件可能阻止連接，需檢查相關(guān)設(shè)置。若Windows 10設(shè)備間無法共享文件，通常由上述四個(gè)問題導(dǎo)致。首先將網(wǎng)絡(luò)類型從“公共”改為“專用”，然后在文件屬性中設(shè)置正確的共享權(quán)限，必要時(shí)啟用SMB 1.0支持，并確認(rèn)防火墻未阻止文件共享功能，通過以上步驟即可解決大多數(shù)文件共享故障。

If you're trying to share files between devices on a Windows 10 network and it's not working, you’re not alone. This is a common issue that can stem from several different causes — incorrect settings, permission problems, or even firewall behavior. The good news is that most fixes are straightforward once you know where to look.

Check Network Type: It Needs to Be Set to Private

One of the most overlooked reasons file sharing fails in Windows 10 is due to the network profile type being set to Public instead of Private. When your PC is connected to a Public network, Windows blocks certain features like file sharing for security reasons.

To fix this:

• Go to Settings > Network & Internet > Status
• Click on the name of your active network
• Change the network profile from Public to Private

Once switched, Windows allows file sharing by default. You might also want to confirm that Network Discovery and File and Printer Sharing are enabled under Control Panel > Network and Sharing Center > Advanced sharing settings.

Make Sure File Sharing Permissions Are Set Correctly

Even if your network is set to Private, file sharing might still not work if the folder or file permissions aren’t configured properly.

Here’s what to do:

• Right-click the folder you want to share and select Properties
• Go to the Sharing tab, click Advanced Sharing
• Check Share this folder, then click Permissions
• Ensure that "Everyone" has at least Read access (or more if needed)

Some users skip the step of actually checking these permissions, assuming turning on sharing is enough. It’s not — Windows needs explicit permission rules before allowing access from other devices.

Turn On SMB 1.0/CIFS Support If Needed

In some cases, especially when connecting to older devices or NAS drives, you may need to enable the SMB 1.0/CIFS protocol. Microsoft disabled it by default due to security concerns, but if you're on a secure internal network, enabling it can help restore file-sharing functionality.

To enable SMB 1.0:

• Open Control Panel > Programs > Turn Windows features on or off
• Scroll down and check SMB 1.0/CIFS File Sharing Support
• Click OK and restart if prompted

Keep in mind this is only necessary for compatibility with older systems. If everything on your network is relatively modern, you probably don’t need this.

Firewall and Antivirus May Be Blocking Connections

Sometimes the problem isn’t with your sharing settings at all — it could be your firewall or third-party antivirus software blocking incoming connections.

You can test this by temporarily disabling your antivirus or firewall (not recommended long-term) to see if file sharing starts working. Alternatively, go into Windows Defender Firewall > Allow an app through firewall, and make sure both File and Printer Sharing entries are checked for private networks.

If you're using a third-party firewall, double-check its settings to ensure it’s not silently blocking local network traffic.

That covers the most common causes and solutions for file sharing not working in Windows 10. Most issues come down to one of these four areas: network type, permissions, SMB support, or firewall interference. Fixing any of them usually brings file sharing back online without too much trouble.

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