UnZipFile.ItemUncompressedSize
------------------------------

Queries uncompressed item size.

| Component | Version | macOS | Windows | Linux | Server | iOS SDK |
|---|---|---|---|---|---|---|
| [Compression](component_Compression.md) | [3.4](newinversion34.md) | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes | ✅ Yes |

MBS( "UnZipFile.ItemUncompressedSize"; Index ) 

**MBS**( **"UnZipFile.ItemUncompressedSize";** /\* Queries uncompressed item size. \*/  
**$Index**) /\* Index of the item from 0 to [UnZipFile.ItemCount](UnZipFileItemCount.md)-1. \*/ 

### Parameters

| Parameter | Description | Example |
|---|---|---|
| Index | Index of the item from 0 to [UnZipFile.ItemCount](UnZipFileItemCount.md)-1. | $index |

### Result

Returns size as number or error.

### Description

Queries uncompressed item size.  
### Examples

Queries sizes:

 Set Variable \[ $UncompressedSize ; Value: MBS ( "UnZipFile.ItemUncompressedSize"; 0 ) \]  
Set Variable \[ $CompressedSize ; Value: MBS ( "[UnZipFile.ItemCompressedSize](UnZipFileItemCompressedSize.md)"; 0 ) \]  
Set Variable \[ $PercentSaved ; Value: ($UncompressedSize - $CompressedSize ) / $UncompressedSize \]  
### See also

- [UnZipFile.ItemCompressedSize](UnZipFileItemCompressedSize.md)
- [UnZipFile.ItemCount](UnZipFileItemCount.md)

### Example Databases

- [Archives/Show Zip File Content](https://www.mbsplugins.eu/MBS-FileMaker-Plugin-Examples/Archives/Show%20Zip%20File%20Content.shtml#3ScriptAnchor_)

### FileMaker Magazin

- [Ausgabe 6/2013, Seite 32 bis 33](https://filemaker-magazin.de/neuigkeit/3712-Appetithappen-FMM_201306)

This function checks for a license.

Created 18th August 2014 , last changed 5th September 2025

  
[UnZipFile.ItemSizeFileName](UnZipFileItemSizeFileName.md) - [UnZipFile.ItemVersion](UnZipFileItemVersion.md)

[HTML Version](UnZipFileItemUncompressedSize.shtml)