What is File Synchronization and How Does it Work?

What is the file synchronization service?

File synchronization (file sync) is a method of keeping files that are stored in several different physical locations up to date.

file synchronization

It has grown increasingly important as enterprises use the cloud as a means for collaboration. It is also commonly used for backup and for mobile access to files.

File syncing software is used to store copies of on-premises data to another device or to the cloud. The files are typically available to be accessed via a Web-based portal. Some examples of file sync software include Raysync, Box, Syncplicity, and Dropbox.

file synchronization

There are two types of file sync:

One-way synchronization (also known as mirroring) pushes files from your source platform to the destination system. On the other hand, two-way synchronization pushes and pulls files in both directions, from both systems.

In one-way sync, files are copied only from a primary location (source) to a secondary location (target) in one direction, but no files are ever copied back to the primary location. Replication and Backup (=Mirroring) are one-way sync methods in ViceVersa.

one way sync

In two-way sync, ViceVersa copies files in both directions, keeping the two locations in sync with each other. Synchronization and Consolidation are two-way sync methods in ViceVersa.

two way sync

How file synchronization works and how to implement it?

How you implement file synchronization will depend on your needs. And there are several file syncing techniques you can use. These can include using a hosted system, using a third-party tool, and creating your own sync system for instance.

The best file-syncing solutions provide a simple solution to copy and back up your files from different devices, whether you are at work, at home, or on the go.

In addition to storing and syncing data, most syncing solutions also come with additional tools not just for managing your saved data but also for managing user access and permissions, to allow for file sharing and collaboration with stored files.

In this artile, we feature what we think are the best file-syncing solutions currently available.


GoodSync is an established company that provides file synchronization and backup software services. Set up is easy, and just requires you to install the software, select target files and folders, then set up automation functions for backups and syncing. And that's pretty much it.

The simplicity of use hides the fact that this is a powerful solution that comes in a couple of different forms. One is GoodSync ServerOS which provides backups and synchronization for Windows and Linux servers. The other is the GoodSync File Server, which allows specified files and folders to be backed up and synced to a private cloud, with various rules and automation options available to ensure everything is easily managed.

Resilio Sync

Resilio Sync has an interesting background story: it was spun out of BitTorrent Inc, which means that it has peer-to-peer (P2P) technology as part of its DNA. P2P is a tried and trusted protocol that is particularly useful for sending large files swiftly. It is one of the very few services that is compatible with Linux (and FreeBSD) as well as a slew of Network Attached Storage solutions (FreeNAS, Synology etc).

Unlike most of what we’ve covered here, Resilio Sync is not a cloud-based file syncing solution. Instead, it relies on devices connected in peer-to-peer mode for the syncing process. There’s a free version and a paid offering which links all your devices, has a one-time send feature, a selective sync feature and the ability to add folders to all your devices automatically. You will need to install this on all devices that you want to sync between.


File sync means that a local folder is designated as a synchronized folder. By creating, copying, pasting, modifying, and deleting files in the synchronized folder, the system will automatically update the changed files synchronously, so that the local files in the synchronized folder are always consistent with the folder stored in the cloud.

Raysync file synchronization function, through the core technologies independently researched and developed, such as high-speed engine technology and high-speed transfer protocol technology, establishes a data synchronization solution in line with the business scenarios of enterprise users.

Tutorial of Raysync file synchronization:

1. Select the files to be synchronized, and click to create the sync folder task.

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2. Select the path to be passed. “Source” refers to the files to be synchronized, and “Target” refers to the storage location of the files to be synchronized. Raysync supports bidirectional synchronization between server and client, that is, server files can be synchronized to client and client files can be synchronized to the server.


3. Synchronization time can be set according to specific requirements, for example, you can set synchronization every 1 second; You can also set synchronization at a certain point in time, such as 10 am every day. Now, file sync only once is also available in sync schedule setting.



Good tools can effectively improve the efficiency of the transfer, file syncing in time can be fast and accurate to convey information, but also as a backup channel. Raysync has excellent features in file synchronization, which is a software for data transfer and file synchronization.

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