Twin Folders

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Frequently Asked Questions


How do I update my billing information (credit card number, email address, etc.)?


For Windows version users:


Visit your MyCommerce account, and update your payment details there. If you don't have an account yet, click [Request Login/Password] there.

For Mac version users:


Update your billing details at Apple.

How do I manage my subscription?


For Windows version users:


- Visit your MyCommerce account and manage your subscription there. If you don't have an account yet, click [Request Login/Password] there.
- Or contact Twin Folders developer and ask to make changes to your subscription.

For Mac version users:


Mac version does not contain auto-renewable subscriptions, so there is no need to manage a subscription. You can optionally purchase a 1-year License again when your current license expires.

How do Twin Folders compare files?


Twin Folders checks the last modification date/time for a file. File size and content are not compared.

Are subfolders processed?


Yes.

How do I synchronize files between two computers?


Twin Folders can access a remote folder using SSH (Secure Shell Protocol) / SFTP (SSH File Transfer Protocol).
Twin Folders is an SSH/SFTP client, and you do not need anything else installed or enabled on a computer where you run Twin Folders.
However, on the remote computer you need access to, you need to enable SSH/SFTP server software.

How do I enable SSH/SFTP server on a Mac?


Turn on Remote Login to access your Mac from another computer using Twin Folders or another SSH/SFTP client.
  1. Start the System Settings, Click General in the sidebar, then click Sharing on the right. (You may need to scroll down).
  2. Turn on Remote Login, then click the Info button (i) on the right.
  3. If needed, select the "Allow full disk access for remote users" checkbox. If not selected, only few folders will be accessible, such as Music and Pictures.
  4. Specify which users can log in.

How do I enable SSH/SFTP server on Linux?


It depends on Linux distribution. As an example, here is how to enable SSH/SFTP on Linux Mint.
  1. Open Terminal.
  2. Within the terminal, run the following command:
    sudo apt-get install openssh-server -y

How do I enable SSH/SFTP server on Windows?


You can install OpenSSH.

How do I specify a folder on a remote computer?


As you perform a remote login, folders are relative to your home folder on a remote computer.
For example, if you have a Downloads folder in your home folder on a remote computer, you can specify it as
  Downloads
Or you can specify a full path (starting with "/"). For example
  /home/jack/Downloads

Can I synchronize to a removable media, like USB flash drive?


Yes, for example for backup purposes.

What if I occasionally select folders that should not be synchronized?


Twin Folders is smart. If it finds that selected folders do not match, it will warn you and will refuse to synchronize.

What is online activation?


For Windows version users:
This is the second step after you enter your registration key. This is intended to prevent multiple unauthorized registrations.
For Mac version users:
Mac version does not use online activation.

Can I activate Twin Folders on several computers?


For Windows version users:
Yes. Twin Folders is licensed on per-user basis, not per-computer. Contact Twin Folders developer if you need to activate Twin Folders on an additional PC.
For Mac version users:
Yes. You can use Twin Folders on all of your Macs with the same Apple ID.

What happened to FTP support?


It was replaced with SFTP - a secure protocol for accessing remote files. As of version 5.0 for Windows (1.0 for Mac), FTP support in Twin Folders has been discontinued. This was done because the FTP protocol is inherently insecure. Starting with version 5.1 (1.1 for Mac), support for the secure SFTP protocol has been added.