Security check

Microsoft Excel is an phầm mềm that most of us prefer using when handling data and when we need to lớn save important data for important tasks or for future use. However, just like any other tiện ích or program, even the Excel comes with its own set of problems.

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Many times, you may receive an excel sheet via e-mail from someone or you downloaded a spreadsheet from some website, and when you try to open the Excel sheet, bang comes an error message, “Microsoft Excel cannot xuất hiện or save any more documents because there is not enough memory“.

Apparently, the issue is not related to your system memory at all. It’s mostly a security warning related to the specific file, that prevents you to open the Excel file for some reason. These warnings can be specifically for the files downloaded from the web, but may not be the same for all files.

So, how vị we fix this issue? Let’s see how.

Table of Contents

Method 1: Unblock through Properties

Step 1: Go to your desktop và right-click on the Excel tệp tin (that’s giving the error while opening), và select Properties from the right-click menu.


Step 2: In the Properties window, under the General tab, go straight towards the bottom, up lớn the Security section. Kiểm tra the box next lớn Unblock.

Press Apply và then OK to lớn save the changes & exit.


And, that’s it. You can now try opening the Excel file và it should mở cửa without any error. However, if this does not work, try the 2nd method.

Method 2 – Tweak Trust center settings

1. Mở cửa Microsoft Excel.

2. Now, Click on options


3. Click on Trust center from the left menu.

4. In the right side, click on Trust center settings.

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5. Now, click on protected view from the left menu.

6. Disable all protected view options by unchecking them.


Method 3: Clear Temp files

Step 1: Press the Windows + E keys together on your keyboard to mở cửa the File Explorer. Click on This PC shortcut on the left side of the window, và on the right side, click to mở cửa the C drive.


Step 2: Now, copy & paste the path given below khổng lồ your file explorer và hit enter key.



Step 3: Now, press the Ctrl + A keys together on your keyboard khổng lồ select all the temporary files in the folder, và hit Delete.


*Note – If you don’t see the AppData folder, then go khổng lồ the View tab at the top of the folder. Click on the Show/hide option, and check the box next lớn Hidden items.

This will make any hidden files & folders visible.


That’s all. Now, try to open the Excel file & it should xuất hiện smoothly without any errors.



I find passion in writing Tech articles around Windows PC và softwares

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Filed Under: excel, Windows 10

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