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layout: page
title: Microsoft Specifications
permalink: /pubs/pc/reference/microsoft/
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Microsoft Specifications
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### FAT (File Allocation Table) Documentation

- [FAT: General Overview of On-Disk Format (v1.02)](https://s3-us-west-2.amazonaws.com/archive.pcjs.org/pubs/pc/reference/microsoft/fatgen102.pdf) (via [PC DOS Retro](https://sites.google.com/site/pcdosretro/))
- [FAT: General Overview of On-Disk Format (v1.03)](https://s3-us-west-2.amazonaws.com/archive.pcjs.org/pubs/pc/reference/microsoft/fatgen103.pdf) (via [Microsoft Corporation](http://msdn.microsoft.com/en-us/windows/hardware/gg463080))