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When you want to share files and folders between Macs, the file-sharing function of the Mac is convenient. However, there are cases where you cannot connect to the sharing source Mac due to an error such as “Could not connect” when you try to connect to a Mac with file-sharing settings. There are also cases where you cannot open a particular file/folder with an “unauthorized” error. This article will explain what to do when you cannot share files between Macs or connect. Method 1: Enable file sharingYou may not be able to share files or folders because the file sharing settings on your Mac are disabled. Therefore, make sure that the file sharing setting is enabled. File sharing settings must be set up on both the sharing and sharing Macs. To enable the file sharing settings, follow the procedure below.
With the above procedure, you can enable the file sharing function. After setting the settings on the sharing side and the sharing side Mac, check if file sharing is possible normally. Method 2: Allow guest users to connectIf you want to share files with users that you do not allow for file sharing, you need to allow guest users to connect. However, keep in mind that this setting will allow all Macs connected to the same network to view shared folders. To allow guest users to connect, follow the steps below on the sharing Mac.
Once you’ve allowed guest users to connect, make sure you’re able to share files between Macs. Method 3: Check the Finder location settingsIf you don’t see the network in the Finder sidebar and can’t connect to a shared folder, there may be a problem with the Finder’s location settings. Therefore, check the Finder location settings on the shared Mac and enable any locations that are disabled. The specific setting procedure is as follows.
After enabling the above location in the Finder settings, check if you can connect to the shared folder from “Network” or “Connected Mac” in the sidebar. Action 4: Re-login / restartThere may be cases where files cannot be shared between Macs because the settings related to file sharing are not reflected. So, if you’ve set up file sharing correctly and you still can’t share, try re-logging in to your account or restarting your Mac.
After logging in or restarting, make sure you can share files between Macs. Method 5: Disable the security softwareThe firewall function of the security software may block the file sharing connection with other Macs. Therefore, if you have third-party security software installed, please check if you can share files with it disabled. If you can share files normally, consider allowing file sharing in the firewall settings of your security software or uninstalling the security software itself. Method 6: Check the file / folder sharing settingsIf you get the error “Could not open because you do not have permission to view” when opening a shared file or folder, there may be a problem with the file / folder sharing settings. Therefore, check the sharing settings for files and folders that cannot be shared on the sharing Mac, and fix any problems. The procedure to modify the sharing settings is as follows.
Once you’ve modified your file / folder sharing settings, make sure you can now open shared files and folders from another Mac. Method 7: Repair the file sharing functionIn macOS High Sierra, there are cases where the file sharing function malfunctions. If the file sharing function cannot be used due to an update of macOS, etc., follow the procedure below to repair the function.
After repairing the file sharing function and restarting your Mac, check if you can connect to the file sharing again. Method 8: Use the drop box folderIn addition to regular file sharing on Mac, you can also send files using the “Drop Box” folder inside the “Public” folder. (* This is a Mac-specific function that is different from the cloud storage service Dropbox.) Dropbox folders allow you to send files in the Finder like shared folders, except that the sender cannot edit or delete them. If you simply want to send the data to another Mac, you can substitute it. To send a file using the drop box folder, follow the steps below on the Mac that sends the file.
With the above procedure, you can send the file using the drop box folder. You can check the sent file from the “User >> Username >> Public >> Drop Box” folder on the receiving Mac. Why is File Sharing not working on Mac?Turn File Sharing off and then on
And you also need to ensure that File Sharing is enabled on both Mac computers rather than only the one that shares folders. You can open the Apple menu > System Preferences > Sharing and then uncheck the box beside File Sharing to turn it off.
Why can't I drag and drop files on my Mac Catalina?If you can't move or copy a file or folder, you might need to change its permissions settings. You might also need to change permissions settings for the disk, server, or folder where you want to move the item. On your Mac, select the item, then choose File > Get Info, or press Command-I.
Is Catalina macOS still supported?To maintain information security at HMS, we will no longer support macOS Catalina after October 30, 2022.
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