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Interesting. I’ve got a 256GB Lexar UHS-II and never faced anything like this, but I also format the card in camera every time I offload files. Could that be a factor? I remember reading somewhere that if you format via Windows, it messes with the allocation structure Canon expects.
Also, @JaceElric , did you say you saw previews in IrfanView? Mine never worked with CR3s. Do you need to install some plugin?
Hey, I shoot with an R10 too (same lexar card, actually), and ran into a similar issue just last month. About 20 CR3 files wouldn’t open after a wedding shoot..same “unsupported format” error in lightroom and fastrawviewer.
I managed to get previews using IrfanView (surprisingly), but nothing would export. I tried running the corrupted files through LibRaw based tools (like RawTherapee) and even stellar repair for photo, but only partial previews came out. In my case, the issue turned out to be card-related—Lexar had a firmware glitch in a batch shipped in late 2024. Might be worth checking if your card is from that lot?
Also, were those shots taken continuously in burst mode by any chance?
For recovering lost video files on macOS, one of the most reliable and user-friendly options is Stellar Data Recovery for Mac. It’s well-optimized for macOS (including M1/M2/M3 chips), supports recovery from SD cards, external drives, and internal volumes, and is especially effective at retrieving lost or deleted video files—even from partially corrupted media.
Other solid options include Disk Drill and PhotoRec, though the latter is more manual and less Mac-native.
I’d recommend starting with Stellar’s free scan to preview recoverable files before purchasing. Just make sure you stop using the SD card or external drive immediately to avoid overwriting any recoverable data
The developer beta of macOS Tahoe (version 26) was released right after WWDC in early June, with Beta 2 landing on June 23.
As for the public beta, Apple typically launches it shortly after a few developer builds, so expect it to go live in mid-July.
In short, the developer beta is already available now, and the official public beta is likely to roll out around mid-July 2025
In case if your phone had an SD card, just take it out and slot it into a PC. Way easier if your photos were saved there. And if Windows says the card’s corrupt or needs formatting, don’t do it yet..try scanning it with recovery software first.
FYI if you’re using Samsung Messages (not Google’s), deleted texts go into a recycle bin for 30 days. You can straight-up restore them from there—no software needed.
Go to Messages > 3 dots > Recycle bin > long press + restore. Super easy.
Backing what you said, just remember @Nina, do not save or download anything new on the phone until recovery is attempted, or else you risk overwriting data. And yeah, boot loop issues like this often come from shady APKs.
If that doesn’t work, try not to panic. Factory reset is a last resort, but even if you go that route, not all is lost. I had to reset mine recently due to a similar glitch, and later recovered most of my documents using an Android data recovery software. You’ll need a PC and a USB cable, but the tool actually helped me get back stuff I thought I’d never see again.
If your external hard drive is corrupted, stop using it right away to avoid losing more data. First, try plugging it into a different USB port, using another cable, or testing it on another computer to check if the issue is with the connection. Open Disk Management to see if the drive is listed—sometimes it may not have a drive letter or might show as RAW.
Don’t format the drive, even if asked. You can try fixing it by opening Command Prompt and typing chkdsk X: /f (replace X with your drive letter). Avoid using /r unless your data is backed up. If the drive still doesn’t open, use free data recovery software to scan and recover your files without making changes to the drive. Once your files are recovered, save them on another working drive and stop using the damaged one.
Yup happened to me. I used one of those android data recovery software Jace mentioned. Worked okay. Didn’t get everything back but def got the main stuff. (Just make sure USB debugging is on)
@JaceElric totally second the OTG cable thing. Did that once with my LG phone that had a dead touchscreen. Took a couple tries to get it right, but managed to transfer my gallery to the laptop.
Also, @Diwo.. check your Google Photos as it automatically backs stuff up even if you don’t realize it sometimes.
Hi all,
I’ve been using a Canon EOS R10 with a Lexar 128GB SDXC UHS-II card to shoot in RAW (CR3 format). Everything was working fine until recently. After an outdoor shoot, I tried transferring the files to my Windows 11 laptop, and about 50 of the 300 images showed up as corrupt—file icons are blank, and they won’t open in Lightroom, Photoshop, or even Canon’s Digital Photo Professional.
These specific files show errors like “unsupported format” or “file header missing.” I didn’t get any warnings on the camera while shooting, and I always safely eject the card.
I’ve tried Stellar, PhotoRec, and ExifTool, but no luck in fixing or even previewing those corrupted RAW files.
Has anyone faced a similar issue in 2025 with CR3 files or the R10? Any proven solutions out there for recovering or repairing partially corrupted RAW files?
Thanks a ton!
How can I recover data from a corrupted external hard drive without losing any files?
How can I repair corrupted files on my computer without using paid software?
If the photos aren’t in Trash or Recently Deleted and you didn’t use Time Machine, your best shot is third-party data recovery software before the deleted data gets overwritten.
Apps like Stellar Data Recovery, Disk Drill, or PhotoRec can scan your Mac’s drive for recoverable files—just avoid saving or installing anything on the internal drive to prevent data overwrite. Terminal doesn’t have native tools for deep file recovery, so you’ll need to rely on software. For best results, install the recovery tool on a separate external drive, scan your Mac from there, and check if your pictures show up in the scan preview