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Dernière mise à jour le Dec 29, 2025

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An easy-to-follow guide on how to Downsize Excel Size below 20kb securely

Every single byte is important when you share a document with someone online. You or your recipients can quickly use up storage simply because you’ve shared a lot of large files. Fortunately, there’s a way you can Downsize Excel Size below 20kb so that you manage your documents with a more streamlined approach.

pdfFiller lets you make documents compact in just a few minutes. In addition, you don’t have to worry about security as you use it. Our solution has the framework adopted to safeguard your data online.

How to Downsize Excel Size below 20kb online

Follow these simple steps and discover how to securely change your file’s size online.

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To start with, register or log in to your pdfFiller account.
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Click the Add New button to add your document.
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Upload your file by choosing the available document-importing option.
04
Hit Upload to My Docs if your document doesn’t need editing.
05
Click on the ellipsis symbol next to the added file → Manage documentsSplit.
06
Choose the pages you want to split from the original file → hit Split.
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As soon as processed, you can save your document to your online storage location or download it onto your computer.
08
Add an extra layer of security by creating a password. This option is available in Manage documents menu.

If you’re bogged down with your task and can’t proceed to Downsize Excel Size below 20kb, you can always rely on the professional support team.

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Downsize Excel File Size Below 20KB

Are you struggling with large Excel files that slow down your work? Our solution helps you reduce your Excel file size to below 20KB, making it easier to store, share, and manage your data.

Key Features

Efficient compression methods to minimize file size
Simple interface that requires no technical knowledge
Fast processing time to save your valuable hours
Compatible with multiple versions of Excel
User-friendly guide for quick understanding

Potential Use Cases and Benefits

Sharing reports via email without file size issues
Uploading Excel files to online platforms with strict size limits
Storing multiple Excel files in limited disk space
Quickly accessing files on mobile devices for on-the-go usage
Collaborating with others without delays due to large file sizes

By using our tool, you can easily tackle the problem of oversized Excel files. You will improve your productivity while ensuring that your files remain accessible and manageable. Start optimizing your Excel files today and experience the difference.

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How To Reduce Excel File Size? Method 1# Remove Cell Formatting. Method 3# Convert File type to Binary Format (XLSB) Method 4# Remove Unnecessary Formulas. Method 5# Optimize The Used Formulas. Method 6# Compress The File (ZIP IT) Method 7# Delete The Unused Cells. Method 8# Reduce Condition Formatting From Excel File.
Switch to full or normal screen view in Excel To switch to full screen view, press CTRL+SHIFT+F1. To return to normal screen view, press CTRL+SHIFT+F1 again.
If you have worksheets with data that you're not using—and that don't contain any formulas you're using—delete them from the spreadsheet. The more data points you have in your workbook, the larger your file size will be. Removing unused data will reduce your file size.
Compress the File (ZIP IT) Right-click on the Excel File. Hover your cursor on the Send to option. Click on the 'Compressed (zipped) folder' option.
This is what makes the file so large: Excel is picking up a lot of empty cells and thinks there's data in them, which then it tries to save into the XLSX file on disk, and because it needs to keep references to all those hundreds or thousands of cells, the file size gets overblown.
Shrinking Cell Contents Choose the cell (or cells) you want to affect. Display the Home tab of the ribbon. Click the small icon at the lower-right corner of the Number group. Make sure the Alignment tab is selected. Make sure the Shrink To Fit check box is selected. Click on OK.

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