A common problem with digital cameras and camcorders is the infamous “file error” message. It can stop you from saving new photos, or cut off video recording after only a few seconds. The good news is that if the problem happens while you are trying to take pictures or record video – but you can still view the photos already on the card – it is often an easy fix.

Start With The Easiest Checks

• Turn the camera off, remove the SD card, and make sure it is fully seated when you insert it again.
• Check the small plastic lock switch on the side of the card. If it has been bumped into the “lock” position, your camera may refuse to save new files.
• If you are using a microSD card in an adapter, try a different adapter. Those tiny plastic shells can fail long before the card itself does.

If the card still gives “file error” messages even after those quick checks, formatting the card properly is usually the next step.

Why Proper SD Card Formatting Matters

One of the trickiest causes of file errors is a card that was formatted “successfully” by your computer’s operating system, but not in a way that your camera likes. That was the problem that originally prompted me to write this article years ago, and it still happens today.

Formatting tools built into Windows, macOS, and other systems can handle lots of different storage devices, but they are not always optimized for SD cards. The SD Association (the group that sets the standards for SD cards) continues to recommend using its own formatter instead of generic tools.

Use The Official SD Memory Card Formatter

The utility I still recommend is the SD Memory Card Formatter from the SD Association. It installs quickly and is available for modern versions of Windows, macOS, and even Linux. It understands SD, SDHC, SDXC, and newer SDUC cards and automatically chooses the appropriate file system (FAT12/16, FAT32, or exFAT) based on card size.

Here is the process I usually follow:

1. Back up everything on the card first. A format will erase the files you can still see, even if some of them are already corrupted.
2. Run the SD Memory Card Formatter and select your card. Double-check that you have the right drive.
3. Start with a Quick Format. Test the card in your camera. If the camera still shows “file error” or stops recording after a short time, go back and try a Full (Overwrite) Format.

In my case, a Quick Format did not solve the problem. My camcorder still shut off after 30–60 seconds with “file error.” After running a Full Format, I was able to record multiple 15-minute videos with no issues. A full format takes longer, but it forces the card to be completely rewritten, which can clear up file system problems that a quick format misses.

Format In The Camera When You Can

Many photographers prefer to let the camera handle formatting. Once you have rescued any important files and confirmed the card is healthy, it is a good habit to:

• Use the Format option in your camera’s menu instead of deleting photos one by one.
• Avoid moving the same card back and forth between different cameras without formatting it again in whichever camera you will use next. Different models may expect slightly different file structures.

When The “File Error” Appears While Viewing Photos

If you get the error while trying to view pictures that are already on the card, the situation is a little different. That usually means one or more files are damaged, or the card’s file system is corrupted.

• Remove the card and put it in a card reader attached to your computer.
• Copy everything you can off the card immediately. Even if some photos are unreadable, rescue the ones that still open.
• If a particular image or video freezes the copy process or crashes your viewer, that file is probably the damaged one.

After you have copied whatever can be saved, use the SD Memory Card Formatter or your camera’s format option to give the card a fresh start.

Prevention Tips

You can’t prevent every failure, but a few habits will greatly reduce the odds of seeing “file error” again:

• Do not remove the card or battery while the camera is writing. Wait for any activity light to stop blinking before turning the camera off or opening the card door.
• Avoid touching the metal contacts on the card. Oils and dirt can interfere with a good connection.
• Format your card regularly (in-camera or with the SD formatter) after safely copying your photos and videos to your computer and backup drive.
• Do not use the same card in multiple devices without formatting it when you switch. Sharing one card between several cameras or between a camera and a phone is a common way to corrupt the file system.
• Replace aging or suspicious cards. If a particular card gives you repeated errors even after a full format, retire it. Flash memory does wear out over time, and the cost of a new card is usually tiny compared to the value of lost photos.
• Watch out for cheap “too good to be true” cards. Counterfeit or mis-labeled cards are still a problem online, and they tend to fail unpredictably.

Have you found other solutions that fixed a stubborn file error? Feel free to share your experience in the comments so others can benefit from it.

Sources

• SD Association – SD Memory Card Formatter download page and user manual, 2010–2024.
• SD Association – “The SD Memory Card Formatter: How this handy tool solves your memory card formatting needs,” March 2020.
• Various camera and photography forum discussions on common causes of SD card corruption and “file error” messages (2013–2025).

Updated November 17, 2025