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Inquiry About Offline Installation and Thread Limits
hj.kang
Threads and cores have no correlation: [URL] Offline activation is possible, but you need internet access from something to facilitate it
xCSxXenon
11 Mar 2026
1 reply
xCSxXenon
11 Mar 2026
84
6
Cannot read or write files to sync with gdrive
sli4
You got it working that's what's important.
John1234
10 Mar 2026
6 replies
John1234
10 Mar 2026
1225
4
Delete original files after sync
milt983
It's the best I could come up with.
John1234
10 Mar 2026
4 replies
John1234
10 Mar 2026
236
5
[LINUX] Struggling to uninstall FreeFileSync
Buzzaa
oh, I got it now thank you guys for the help! ^^;
Buzzaa
9 Mar 2026
5 replies
Buzzaa
9 Mar 2026
370
1
Random "ERROR_CANT_ACCESS_FILE [MoveFileEx]" during synchronization to local folder
andreino
My first thought was also some antivirus, especially if you are using 3rd party AV. Try with your AV disabled temporarily
xCSxXenon
8 Mar 2026
1 reply
xCSxXenon
8 Mar 2026
339
1
EDIT SYNC TIMES?
David Abineri
> now i need to edit the times at which they occur. Assuming Windows, and that you use the Windows Task Manager to launch those sync tasks: Open the Task Manager, select the sync t…
Plerry
6 Mar 2026
1 reply
Plerry
6 Mar 2026
61
2
How to turn off the DOORBELL notification when finished
David Abineri
[Quote][Quote] Thanks Perry, I could not find this previously. Dave
David Abineri
2 Mar 2026
2 replies
David Abineri
2 Mar 2026
114
4
Complete bootable clone of C: OS and data.
rjmalm
Thanks for the link
rjmalm
2 Mar 2026
4 replies
rjmalm
2 Mar 2026
153
7
Cannot copy long file names in Windows
PolXh
[Quote] As stated by the dev, FFS DOES support long file names, so that is not your issue. The other reply may be worth looking into for further diagnosis. We'd need screenshots or…
xCSxXenon
1 Mar 2026
7 replies
xCSxXenon
1 Mar 2026
440
2
Understanding of versionning
CWB
Thank you for your prompt response! In the meantime, I have recreated the deleted folders in the “Revisions” folder, and everything is functioning as expected. The duplicate post w…
CWB
1 Mar 2026
2 replies
CWB
1 Mar 2026
2378
1
00freefilesyncjobs
tomob
Sounds like your selected left/right folders have that entered. Or maybe you have versioning set to go there? You could always create a new config as well
xCSxXenon
28 Feb 2026
1 reply
xCSxXenon
28 Feb 2026
65
3
Build issue on linux
daviank
You need to bump the version number with every new release however minor, otherwise this causes problems for package maintainers downstream.
tee
28 Feb 2026
3 replies
tee
28 Feb 2026
109
0
Sync with Icloud-Photo folder on Windows works, but photos are not transfered to cloud
heckh00u
Hello everyone, I am trying to synchronize OneDrive images with iCloud photos using FFS on Windows 11. FFS works fine, selected files are copied correctly to the following path: C:…
heckh00u
28 Feb 2026
0 replies
heckh00u
28 Feb 2026
75
3
Sync icloud drive folder from "Windows 11 Home" to NAS
Tom_B_1602
I just checked and the default setting in the Apple software for Windows that lets you access iCloud is on demand file access so the files are normally in the cloud only until they…
John1234
27 Feb 2026
3 replies
John1234
27 Feb 2026
1835
3
Backup Certain Subfolders...
GoForIt
Filter entries are always relative to the left and right base location. If you don't know hoe to enter/specify your filter entries manually, you can run a Compare, and in the Compa…
Plerry
26 Feb 2026
3 replies
Plerry
26 Feb 2026
126
7
14.6 doesn't support Win 7?
vane
Current versions of FFS are limited to (FFS) 32-bit .exe's on Windows 7. FFS v14.5 was the last version where x64 worked (& also where the VSS feature worked) on Windows 7.
therube
25 Feb 2026
7 replies
therube
25 Feb 2026
1199
1
Onedrive backs up but Dropbox doesn't?
Cara
Hi, For Dropbox I use and recommend the use of rclone to mount Dropbox Without using the Dropbox client that synchronizes files back and forth To your PC. This gives you a way for …
John1234
24 Feb 2026
1 reply
John1234
24 Feb 2026
104
2
Parallel file operations
Holde
But then I do not get it. Why do I set 2 different values if FFS is using always the highest of the two? I can only optimize comparison? But this backfires if the files which I hav…
Holde
24 Feb 2026
2 replies
Holde
24 Feb 2026
282
2
Re-creating folder structure during restore
APC
Many thanks xCSxXenon for your reply, you make some valid points. I think what I will do is replace the data on these separate drives using FFS with a database. Refreshing the the …
APC
20 Feb 2026
2 replies
APC
20 Feb 2026
183
5
New to FFS - confused
Cara
I think I found the source of my confusion: the "Show files that are equal" button at the bottom was not "on." I'm also seeing that TeraCopy copied the folder for My Music, though …
Cara
20 Feb 2026
5 replies
Cara
20 Feb 2026
125
5
Time out during the compare
FATIHA
unlikely. Not a connection error explicitly. It says the server didn't respond Contact whoever manages the server
xCSxXenon
19 Feb 2026
5 replies
xCSxXenon
19 Feb 2026
94
5
Crashes on Linux
blackadderkate
[Quote] [Code]
blackadderkate
19 Feb 2026
5 replies
blackadderkate
19 Feb 2026
150
2
Popup flash every time RealTimeSync runs
Uncle Jemima
Looks like this was already reported in the General forum and is planned to be fixed in 14.8. See [URL]
Uncle Jemima
19 Feb 2026
2 replies
Uncle Jemima
19 Feb 2026
127
3
Security Concern
Maor1
I just noticed I forgot another thing I do. I have an external NVME inside of a fire/water proof enclosure that I leave connected 24/7. It is encrypted with BitLocker and I only un…
xCSxXenon
18 Feb 2026
3 replies
xCSxXenon
18 Feb 2026
403
1
how to install the donation edition when you have the file of the key
ybouger74
You don't need to do anything "extra". Simply make sure the donation key file is in the same (unzipped) folder as the rest of the FreeFileSync (FFS) install files at the time of in…
Plerry
18 Feb 2026
1 reply
Plerry
18 Feb 2026
219
2
Sync error
Heimlick
Looks like the solution is quite easy, if done by FFS itself! [URL] [URL]
Giangi
17 Feb 2026
2 replies
Giangi
17 Feb 2026
2283
7
Error Disk Full
Sailsman
...4 years later (2026-02) and I FIXED THIS SAME PROBLEM trying to back up to a USB flash drive (a new and high quality Sandisk 512GB one). In my case, the issue was that the flash…
stephenf
17 Feb 2026
7 replies
stephenf
17 Feb 2026
2321
2
Cannot open directory error on Mac Tahoe 26.2
Alan52
".DocumentRevisions-V100" is excluded by default. In your case the leading dot is missing for some reason.
Zenju
16 Feb 2026
2 replies
Zenju
16 Feb 2026
101
3
FreeFileSync stuck and crash my MacOS at `scanning files FreeFileSync 538035`
blackbeam
Your response didn't include any additional info, so I am only guessing here lol Could be a corrupted file or failing storage drive. If that file has some of its data stored on a c…
xCSxXenon
15 Feb 2026
3 replies
xCSxXenon
15 Feb 2026
73
2
Run once (at anytime) weekly
paka
Thanks. Was thinking that a script would be the answer to the issue. Wanted to verify with those who have worked more extensively with cron that it couldn't be executed as a cron j…
paka
15 Feb 2026
2 replies
paka
15 Feb 2026
102
6
Question regarding "Warning: synchronized as part of multiple folder pairs"
The5
Yes indeed. So is there an error in my setup regarding having only a subset of files in a folder versioned while the rest is just mirrored without versioning? Or is this just how i…
The5
15 Feb 2026
6 replies
The5
15 Feb 2026
254
2
No Access to Recycle Bin
3Wille3
Thanks so much! I created a new recycle bin folder on the destination drive and designated that folder in the Synchronization Settings, and it is working great.
3Wille3
14 Feb 2026
2 replies
3Wille3
14 Feb 2026
209
4
Mac OSX Sparse Disk Image Bundle
Homer712
I was responding to the OP, not your secondary observation. For you specifically, there's a few options. You could click the bundle in the overview and temporarily exclude it from …
xCSxXenon
12 Feb 2026
4 replies
xCSxXenon
12 Feb 2026
484
1
FreeFileSync with Cron + Wayland
cometchaserde
Same issue here. Did anyone get it fixed?
jasmines
12 Feb 2026
1 reply
jasmines
12 Feb 2026
389
1
Error Message - Cannot open directory
Bmrider
Which operating system version is this? What kind of drive is O:\?
Zenju
9 Feb 2026
1 reply
Zenju
9 Feb 2026
100
5
FreeFileSync gives error on drives it doesn't need.
Jan
Super! Solved! Thanks! Don't know how this happened. I probably copied an existing configuration and forgot about the versioning details. I feel a bit stupid... Many thanks anyway …
Jan
9 Feb 2026
5 replies
Jan
9 Feb 2026
192
4
Autostart RealTimeSync
zorinuser1
I wanted to share what I found worked to have RTS start monitoring file(s) on startup in Linux (specifically Mint). This is a very GUI method. I hope it help someone else: --- 1. C…
silly goose
9 Feb 2026
4 replies
silly goose
9 Feb 2026
2033
3
Unable to connect to Google Drive while using a VPN
leonecho
Is the error message different than before? Where in Windows have you set up the proxy? Can you give an example of the syntax used for the proxy settings?
Zenju
8 Feb 2026
3 replies
Zenju
8 Feb 2026
255
5
Synchronization between two computers in the same LAN
Hilmar
Thanks for the tip regarding this software I will check it out. Microsoft includes open SSH server with Windows so there's no need to set up any third-party software on any machine…
John1234
8 Feb 2026
5 replies
John1234
8 Feb 2026
1917
3
Question
LAM
[URL]
xCSxXenon
7 Feb 2026
3 replies
xCSxXenon
7 Feb 2026
199
9
file verification after copying
optokl
Thanks a lot xCSxXenon!! Constructive feedback: I want to suggest adding this to the Tools -> Options panel. Because this is not really an "expert" setting, but rather a setting ab…
Vrish25
6 Feb 2026
9 replies
Vrish25
6 Feb 2026
4188
3
Can filesync do what I need
rgs
[Quote] [URL]
xCSxXenon
6 Feb 2026
3 replies
xCSxXenon
6 Feb 2026
176
6
Excluding files in subfolders
ukdave
Thanks Zenju! Now the colon works as expected!
Gianni1962
5 Feb 2026
6 replies
Gianni1962
5 Feb 2026
293
10
Sync to Proton Drive?
SyncLS
Aha, that sounds logical. I'll stop pestering you then ;)
PatHightree
5 Feb 2026
10 replies
PatHightree
5 Feb 2026
2851
1
empty transparent window after switching of the display
mindthegap
[URL]
xCSxXenon
5 Feb 2026
1 reply
xCSxXenon
5 Feb 2026
51
2
One-Way Synchronization Stops For Seconds
btribley
I'm back. I spoke too soon about errors. It turns out that one of my sources was an incorrect path, and I had a lot of files that couldn't be read (I am admin...). After I cleaned …
btribley
4 Feb 2026
2 replies
btribley
4 Feb 2026
83
2
FFF (14.7) Terribly slow - Fedora 42 and Win 11
87AndCry
Unfortunately this is not my case as the issue persists long time
87AndCry
4 Feb 2026
2 replies
87AndCry
4 Feb 2026
118
10
Help with realtimesync
boris
Not that PowerShell is difficult per se, but it certainly isn't easier than clicking a different 'save' button and checking two boxes. I'm glad you got something working, and I lov…
xCSxXenon
4 Feb 2026
10 replies
xCSxXenon
4 Feb 2026
436
6
Problem with connection to gogle drive through proxy
tomaszd
Proxy + Google Drive is supported: [URL]
Zenju
3 Feb 2026
6 replies
Zenju
3 Feb 2026
724
9
Google Drive: Proxy Server Support please!
PixelCosplay
Implemented for FFS 14.8! The system proxy will be detected automatically and used for GoogleDrive: [URL] PS: the old hack to use environment variables is still supported, but they…
Zenju
3 Feb 2026
9 replies
Zenju
3 Feb 2026
2225
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