SyncToy (64-Bit) for Windows

Name: SyncToy (64-Bit)
Rating: 4.3 (42 reviews)
Author: Microsoft

Used SyncToy (64-Bit) for Windows?

SyncToy (64-Bit) Analysis

AI Assisted Content · October 13, 2026

Not written by CNET Staff.

SyncToy synchronizes files and folders across locations. It is an easy-to-use, customizable program for sharing and backing up data.

Top Recommended Alternative

FastLynx

Trial version

4.6

SyncToy (64-Bit) is a free file synchronization utility developed by Microsoft for Windows. It is designed to help users manage and synchronize files between two folders, making it useful for creating backups, transferring documents, and keeping files updated across different locations.

One of the program's main strengths is its simple and practical approach to file synchronization. Users can create folder pairs and choose how they want files to be managed. SyncToy offers three main synchronization modes: Synchronize, which copies changes in both directions; Echo, which copies changes from the left folder to the right folder, including renames and deletions; and Contribute, which copies new and updated files to the right folder without propagating deletions.

Another advantage is its straightforward interface. Users can select folders, configure synchronization rules, preview proposed changes, and run the synchronization process. This makes it useful for people who want to manage their files without using complicated backup software.

However, SyncToy is an old application, and Microsoft discontinued its development and support. It does not provide real-time synchronization, cloud storage integration, or advanced backup features such as comprehensive version history. Users must also remember to run synchronization tasks manually or arrange their own scheduling method.

Despite these limitations, SyncToy can still be useful for simple file-management tasks on compatible Windows systems. Because it is no longer supported, users should be careful when relying on it for important backups and should keep additional copies of valuable files.

What The Community Is Saying

The Highs

Users describe it as simple, free, and reliable for basic folder syncing, with several saying it just works without complications.

The Lows

Since Microsoft stopped developing it, people note it feels dated, and a few report occasional reliability issues on newer Windows versions.

The Verdict

A handy lightweight sync tool for basic backups, but treat it as a stopgap since it is abandoned software.

Pros
- Synchronizes files and folders between locations.
- Supports sharing files and creating backups.
- Customizable program for copying, moving, and synchronization.
- Manages multiple folder sets simultaneously.
- Tracks and applies renames to synchronized folders.
Cons
No Cons available

Bottom Line

In conclusion, SyncToy (64-Bit) is a simple and useful file synchronization tool that allows users to keep folders updated and transfer files between different storage locations. Its main advantages are its ease of use, multiple synchronization modes, and ability to preview changes before applying them.

However, the lack of official support, real-time synchronization, and modern backup features limits its usefulness today. Users who need reliable long-term backups or automated file management may benefit more from a currently supported alternative.

Overall, SyncToy is a practical option for basic file synchronization on compatible Windows systems, particularly for users who prefer a free and straightforward tool. Nevertheless, because it is discontinued, it is best used cautiously and alongside a separate, reliable backup solution.