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This wikiHow teaches you how to reduce the amount of storage a Microsoft Excel file uses by removing some formatting, compressing images and saving the file in a more efficient format.

Method 1
Method 1 of 6:

Saving as a Binary File

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  1. Do so by double-clicking on the green and white app with an X , then clicking on File and Open... , and selecting the file.
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  3. Files saved in this format are considerably smaller than standard .xls files.
  4. The smaller Excel file will be saved on your computer.
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Method 2
Method 2 of 6:

Removing Formatting from Empty Rows and Columns

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  1. Do so by double-clicking on the green and white app with an X , then clicking on File and Open... , and selecting the file.
  2. To do so, click on the first empty row number, then press and hold Ctrl + Shift + (Windows) or + Shift + (Mac).
    • The arrow keys are in the lower-right corner of most keyboards.
  3. This clears unnecessary formatting from cells that are not being used.
  4. To do so, click on the first empty column letter, then press and hold Ctrl + Shift + (Windows) or + Shift + (Mac).
    • The arrow keys are in the lower-right corner of most keyboards.
  5. This clears unnecessary formatting from cells that are not being used.
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Method 3
Method 3 of 6:

Remove Conditional Formatting

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  1. Do so by double-clicking on the green and white app with an X , then clicking on File and Open... , and selecting the file.
  2. It's in the "Styles" part of the ribbon.
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Method 4
Method 4 of 6:

Removing Formatting from Empty Cells in Windows

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  1. Do so by double-clicking on the green and white app with an X , then clicking on File and Open... , and selecting the file.
  2. It's in the "Editing" part of the ribbon.
  3. All the empty cells in the data set will be highlighted.
  4. It's the eraser icon.
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Method 5
Method 5 of 6:

Removing Formatting from Empty Cells on Mac

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  1. Do so by double-clicking on the green and white app with an X , then clicking on File and Open... , and selecting the file.
  2. It's in the menu bar at the top of the screen.
  3. All the empty cells in the data set will be highlighted.
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Method 6
Method 6 of 6:

Compressing Images

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  1. Do so by double-clicking on the green and white app with an X , then clicking on File and Open... , and selecting the file.
  2. To do so:
    • In Windows, click on an image, then click on the Format , tab and click on Compress in the toolbar.
    • On Mac, click on File and then Reduce File Size… .
  3. "
  4. The images in the file have been compressed and extraneous image data has been deleted.
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Community Q&A

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  • Question
    My Excel file contains many pivot tables and the tables often get corrupted because the files are so large. Is there anything I can do to remedy this?
    Community Answer
    Make sure you are not saving the source data with the pivot table. Go to Pivot Table Options --> data tab --> uncheck "Save Source data with file." The pivot table will not update again without being refreshed because it needs to re-read the source data to refresh, but this will reduce the file size.
  • Question
    When I try to enter an amount in a cell, it jumps to another cell, and nothing is added to either one. What could be causing this?
    Community Answer
    The first reason this could be happening is that you are using the Enter or Tab keys while trying to enter the data in a cell; don’t do that until you are done. There could also be some VBA code activating on the Change event. Finally, your workbook could be corrupted, in which case you would need to build a fresh copy.
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      About This Article

      Article Summary X

      1. Open the file.
      2. Click the File menu.
      3. Click Save As .
      4. Click the “Save as type” or “Format” menu.
      5. Select Excel Binary Workbook .
      6. Click Save .

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      Thanks to all authors for creating a page that has been read 1,750,405 times.

      Reader Success Stories

      • Mihir Thakkar

        Mar 21, 2017

        "Your article helped tremendously, enabled me to reduce about 50 images size in Excel. My file size reduced from 33 ..." more
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