Not enough disk space error appearing in Excel? Fix it now

by Vladimir Popescu
Vladimir Popescu
Vladimir Popescu
Managing Editor
Being an artist his entire life while also playing handball at a professional level, Vladimir has also developed a passion for all things computer-related. With an innate fascination... read more
Affiliate Disclosure
Excel not enough disk space - laptop on desk

To fix various PC problems, we recommend Restoro PC Repair Tool:
This software will repair common computer errors, protect you from file loss, malware, hardware failure and optimize your PC for maximum performance. Fix PC issues and remove viruses now in 3 easy steps:

  1. Download Restoro PC Repair Tool that comes with Patented Technologies (patent available here).
  2. Click Start Scan to find Windows issues that could be causing PC problems.
  3. Click Repair All to fix issues affecting your computer's security and performance
  • Restoro has been downloaded by 0 readers this month.

Some users have seen the error Microsoft Excel can not open or save any more documents because there is not enough disk space.

This issue has made users, understandably, very confused, as they observed that their hard-drives have far fewer data written on them that full capacity.

This happens whether the users choose to open the respective file either through the File -> Open method or by double-clicking the Excel file inside Windows Explorer.

In today’s article, we will discuss what are the possible reasons for this error occurring, and also what you can do to avoid it. Please read on to find out more details.

Why does the disk space error occur inside Microsoft Excel?

laptop with question mark on screen - Excel not enough disk space error

The error mentioned above seems to have nothing to do with your actual remaining disk space.

Microsoft Excel is trying it’s best to display a security notification regarding the file you’re trying to open, but because of a glitch, it is not able to do it properly.

These types of security warnings are usually displayed in relation to files that are downloaded from the internet, but this may vary.

The security certificate that the file contains is in some way corrupted, making Excel show you the warning message.

Read along to find out what you can do about this issue.

How can I solve the MS Excel disk space error?

1. Change settings in the properties of the file

laptop with user typing - Excel not enough disk space

  1. Use the Windows File Explorer and navigate to the location of the Excel file that’s causing issues.
  2. Right-click the file -> choose Properties.
  3. Click the General tab -> click the Unblock button.

Note: In some cases, this option will not be available to you. If that is the case, please try the next method.

Seeing the not enough memory error in Microsoft Excel? Fix it

2. Use the Trust Center Settings of Excel

user typing on pc - Excel not enough disk space

  1. Move the Excel file with issues inside a separate folder on your hard-drive.
  2. Open Excel.
  3. Inside MS Excel -> click File -> Options.
  4. Select the option Trust Center -> Trust Center Settings -> click the Trusted Locations button.
  5. Add the newly created folder to the Trusted Locations list.
  6. Select the option Subfolders of this location are also trusted -> click Ok.

3. Update your software to Microsoft Office 2019

Office 365 - Excel not enough disk space

Because this issue has been around for some time, Microsoft has taken notice of it.

In order to tackle it, they released the new version of Microsoft Office.

Using this version of Office will let you have access to all the cool new features and optimizations, and at the same time get rid of the disk space error forever.


In today’s how-to article, we talked about how to best tackle the disk space error that appears in the older versions of Microsoft Excel.

Please make sure to follow the steps we presented here carefully for a speedy fix.

If you found this guide helpful please feel free to let us know by using the comment section below.


idee restoro Still having issues? Fix them with this tool:
  1. Download this PC Repair Tool rated Great on (download starts on this page).
  2. Click Start Scan to find Windows issues that could be causing PC problems.
  3. Click Repair All to fix issues with Patented Technologies (Exclusive Discount for our readers).

Restoro has been downloaded by 0 readers this month.

This article covers:Topics: