What is FileSyncShell64.dll?
FileSyncShell64.dll is part of Microsoft OneDrive and developed by Microsoft Corporation according to the FileSyncShell64.dll version information.
FileSyncShell64.dll's description is "Microsoft OneDrive Shell Extension"
FileSyncShell64.dll is digitally signed by Microsoft Corporation.
FileSyncShell64.dll is usually located in the 'c:\users\%USERNAME%\appdata\local\microsoft\onedrive\17.3.4713.0209\amd64\' folder.
None of the anti-virus scanners at VirusTotal reports anything malicious about FileSyncShell64.dll.
If you have additional information about the file, please share it with the FreeFixer users by posting a comment at the bottom of this page.
Vendor and version information [?]
The following is the available information on FileSyncShell64.dll:
| Property | Value |
|---|---|
| Product name | Microsoft OneDrive |
| Company name | Microsoft Corporation |
| File description | Microsoft OneDrive Shell Extension |
| Internal name | Client Application |
| Original filename | FileSyncShell64.dll |
| Legal copyright | © Microsoft Corporation. All rights reserved. |
| Product version | 17.3.4713.0209 |
| File version | 17.3.4713.0209 |
Here's a screenshot of the file properties when displayed by Windows Explorer:
| Product name | Microsoft OneDrive |
| Company name | Microsoft Corporation |
| File description | Microsoft OneDrive Shell Extension |
| Internal name | Client Application |
| Original filename | FileSyncShell64.dll |
| Legal copyright | © Microsoft Corporation. All rights.. |
| Product version | 17.3.4713.0209 |
| File version | 17.3.4713.0209 |
Digital signatures [?]
FileSyncShell64.dll has a valid digital signature.
| Property | Value |
|---|---|
| Signer name | Microsoft Corporation |
| Certificate issuer name | Microsoft Code Signing PCA |
| Certificate serial number | 33000000ca6cd5321235c4e1550001000000ca |
VirusTotal report
None of the 57 anti-virus programs at VirusTotal detected the FileSyncShell64.dll file.
Hashes [?]
| Property | Value |
|---|---|
| MD5 | fdf615a427237f1d880aa93f119e6750 |
| SHA256 | bf0efe158364a497e59868e77726d4701bbb7cc363d620a6f9bd81afeffd0cb1 |
What will you do with the file?
To help other users, please let us know what you will do with the file:
What did other users do?
The poll result listed below shows what users chose to do with the file. 93% have voted for removal. Based on votes from 110 users.
NOTE: Please do not use this poll as the only source of input to determine what you will do with the file.
Malware or legitimate?
If you feel that you need more information to determine if your should keep this file or remove it, please read this guide.
And now some shameless self promotion ;)
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Comments
Please share with the other users what you think about this file. What does this file do? Is it legitimate or something that your computer is better without? Do you know how it was installed on your system? Did you install it yourself or did it come bundled with some other software? Is it running smoothly or do you get some error message? Any information that will help to document this file is welcome. Thank you for your contributions.
I'm reading all new comments so don't hesitate to post a question about the file. If I don't have the answer perhaps another user can help you.
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# 27 Apr 2026, 23:34
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