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I am running Windows XP Professional, service pack 3. Right now I have 4,398 files in a single folder, and Windows XP seems to read it fine. How many more files can I place in this same folder, either theoretically or practically? Thanks for your time.

Oliver Salzburg
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Andrew
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This answer is taken from one of the sister sites at StackOverflow and is copied here for your convenience.

FAT32:

  • Maximum number of files: 268,435,437
  • Maximum file size: 4GB
  • Maximum number of files per directory: up to 65535, or less depending on file names

NTFS:

  • Maximum number of files: 4,294,967,295
  • Maximum file size: 16TB currently (16EB theoretically)

FAT32 has a limit of 65535 files per directory. As for non-FAT32, I could not find a "hard limit", but the information in this comparison chart is quite informative.