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Edited by El.Gr.15, Paulcdude, Sarah Eliza, Maniac and 1 other

When a file is created on a computer, it is automatically given a set of attributes. These attributes include the date, size and file format. This process occurs on Windows and Mac OS X platforms. File dates occasionally must be changed to put them in some better order. This guide shows you how to change file attributes on Windows and OS X platforms.

Edit Steps

Changing 'Date Modified' in Windows 7

  1. 1
    Set clock (bottom right of desktop) to the desired date/time
  2. 2
    Open file
  3. 3
    Save file as itself
  4. 4
    Close file
  5. 5
    Revert to normal time

Changing File Dates in Windows Vista

  1. 1
    Right-click on the file with the date you want to change. Access the Properties menu.
  2. 2
    Click on the "Custom" tab in the Properties menu.
  3. 3
    Select which type of date you want to change under the "Name" field.

Changing a File Date on a Mac using OS X

  1. 1
    Download a file editing application. There will be further directions with the software, but the basics are listed below.
  2. 2
    Launch "Terminal." You will find this in "Applications/Utilities."
  3. 3
    Key in the following command: "touch �t YYYYMMDDhhmm.ss" to start the process. The modification date needs "touch �mt�" as opposed to "touch �t�."
  4. 4
    Walk through the steps given, and add the year, month, day and time as requested.

Edit Tips

  • Simple changes to a user file happen when the file is resaved.
  • There are third-party programs available to help with more detailed changes.

Edit Warnings

  • Find an expert if you feel uncomfortable changing the attributes of a file.

Edit Sources and Citations

Article Info

Categories: Computers and Electronics

Recent edits by: Maniac, Sarah Eliza, Paulcdude

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