昨天，在将一些大文件复制到外部硬盘时，Windows 立即向我发出了这条消息：

The file “myfile” is too large for the destination file system.

所以我想知道是什么可能导致这个问题。我的外置硬盘有大量可用空间，为什么我不能复制这个文件呢？

嗯，这个问题的原因是因为我的文件大小为 4.3 GB，而我的外部硬盘驱动器被格式化为FAT32格式。FAT32的最大文件大小为4GB。FAT16的最大文件大小仅为 2GB！

那么如何解决这个问题呢？那么有两种方法可以解决它。您可以将文件拆分成更小的部分，然后将其复制到外部硬盘驱动器，或者您可以将文件系统转换为NTFS，文件大小没有限制。

您可以阅读我之前关于使用File Splitter或 HJ-Split将大文件拆分为较小文件的帖子。

如果您想使用第二种方法，请阅读我关于如何在不丢失任何数据的情况下将硬盘从 FAT 转换为 NTFS 的帖子。

现在您应该能够通过拆分大文件或将硬盘驱动器转换为NTFS来复制大文件！如果您有USB驱动器，请阅读我关于如何将USB 驱动器格式化为 NTFS 格式的^{(format a USB drive in NTFS format)}帖子。

如果由于某种原因无法拆分文件并且不想将驱动器上的文件系统转换为NTFS，则唯一可能的解决方案是尝试压缩文件。Windows 7 和Windows 10都内置了压缩工具，但您也可以尝试使用^{(Windows 10)}7-Zip等第三方工具。

查看我比较不同压缩程序^{(compares different compressions programs)}的文章，看看您是否可以将文件缩小到足够小的大小。享受！

Fix “File is too large for destination file system” Error

Yesterday, while copying some large files to an external hard drive, I was promptly issued this messagе by Windows:

The file “myfile” is too large for the destination file system.

So I wondered to myself what could possibly cause this issue. My external hard drive had tons of free space, so why would I not be able to copy this file over?

Well, the reason for this problem is because my file was 4.3 GB in size and my external hard drive was formatted in FAT32 format. The max file size for FAT32 is 4GB. The max file size for FAT16 is only 2GB!

So how do you fix this problem? Well there are two ways you can go about it. You can either split the file into smaller pieces and then copy it to your external hard drive or you can convert the file system to NTFS, where there is no limit on file sizes.

You can read my previous posts on using File Splitter or HJ-Split to split large files into smaller ones.

If you want to go with the second method, read my post on how to convert a hard drive from FAT to NTFS without losing any data.

Now you should be able to copy your large files by either splitting them or converting the hard drive to NTFS! If you have a USB drive, read my post on how to format a USB drive in NTFS format.

If you can’t split the file for whatever reason and you don’t want to convert the file system on the drive to NTFS, the only other possible solution is to try and compress the file. Windows 7 and Windows 10 both have built in compression tools, but you can also try third-party tools like 7-Zip, etc.

Check out my article that compares different compressions programs to see if you can get your file shrunk down to a small enough size. Enjoy!

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