However, sometimes, the sync process might fail with the exception during preview error.

How to fix it?

In this post fromMiniTool Solution, we will explore how to overcome this issue step by step.

How to Fix Path Too Long Error in SyncToy? Here Are 4 Ways!

SyncToy Exception During Preview

In todays digital world, data protection is becoming increasingly important.

However, the file sync process can be encumbered at times.

In the following paragraphs, we will show you how to fixSyncToy Exception during previewin 3 ways.

hit .NET Framework 3.5 (include .NET 2.0 and 3.0)

Do you receive path too long error in SyncToy?

How to fix it and continue to perform the sync task?

This post contains all details you want.

tick Run this program in compatibility mode for

How to Fix SyncToy Exception During Preview on Windows 10/11?

Heres how to do it:

Step 1.

PressWin+Sto evoke the search bar.

the Sync page

Step 3. choose thereversed triangle iconin the top right and selectCategory.

SelectProgramsand hitTurn Windows features on or offunderPrograms and Features.

Tick.NET Framework 3.5 (include .NET 2.0 and 3.0)and hitOK.

To do so:

Step 1.

Right-choose theshortcut of SyncToyin the desktop and selectProperties.

In theCompatibilitytab, tickRun this program in compatibility mode forand selectWindows 7from the drop-down menu.

Click onApply&OKto save the changes.

To do so:

Step 1.

Typeappwiz.cpland hitEnterto openPrograms and Features.

Now, you could see all the programs installed on your system.

Scroll down to findMicrosoft Sync Framework 2.0 Core Components (x64) ENUand right-press it to selectChange.

Tick theRepair Microsoft Sync Framework 2.0 Core Components (x64) ENUoption and click onFinishto start the process.

Similarly, repairMicrosoft Sync Framework 2.0 Provider Services (x64) ENU.

After completion, launch SyncToy again to see ifSyncToy 2.1 exception during previewvanishes.

Is there an alternative for SyncToy?

Now, follow these guidelines to sync your files with this freeware:

Step 1.

Launch MiniTool ShadowMaker and click onKeep Trialto enter the main interface.

MiniTool ShadowMaker TrialClick to Download100%Clean & Safe

Step 2.

In theSyncpage, go toSOURCEto choose the files and folders you want to protect.

Then, navigate to theDESTINATIONto select a storage path for the synced files.

After making your choice, click onOKto go back to theSyncpage.

Click onSync Nowto start the process at once.

Final Words

After reading this post, you must sync your files withoutexception during preview.

Also, we introduce an alternative software for SyncToy called MiniTool ShadowMaker that is compatible with more operating systems.

If you are interested in it, give it a try!