How to solve the problem of not being able to attach an Excel document to an email

  • There are probably a million different ways to attach a file, and some of them can be awfully slow.
  • In this tutorial I will show you the quickest and easiest way to email a single Excel spreadsheet or part of an Excel spreadsheet to your colleague or supervisor.
  • If Outlook refuses to attach an Excel file, you can also skillfully mask the file in a different format.
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There are probably a million different ways to attach a file to an email. Some of them can take forever, so If you do a lot of work with Excel files, you probably also send them via email.

If you’re wondering if you’ve saved a file, or when you need to change it, you can spend a lot of time searching through folders.

If your colleague or supervisor requires you to send part of a spreadsheet or one Excel sheet from a workbook, you may be able to do so. You can email an Excel spreadsheet or part of an Excel spreadsheet in many different ways, but in this tutorial, I will show you how to do it the quickest and easiest way.

The contents of an Outlook email may need to be integrated into your workbook at times. You could copy and paste them. If you copy and paste the Outlook email message into Excel, the message is overloaded and is not formatted. As a matter of fact, you can add an email subject to the workbook in the following way.


Why can’t I attach an Excel document to an email?

Why can't I attach an Excel document to an email?

  • It is common for your computer to not be able to recognize the file format of an email attachment if you don’t have the required software. If, for example, you do not have another program that supports the file format that someone sends you, you will not be able to open the file.
  • When a file format isn’t opened properly on your computer, the program may have a problem with that format.
  • It may be linked to an error-prone program or it may have been deleted.
  • It is not uncommon to attach multiple files to an email message. Usually, if the file is compressed, it must be decompressed before joining the email message. If the file is a zip file or any other compressed file format, decompression is not necessary.
  • Disable your anti-virus program temporarily if it causes problems with attachments if you have one installed on your computer.
  • If the attachment you received is corrupted, email the sender and ask them to re-create the email and attachment by creating a new email and copying and pasting the attachment.


How to attach an Excel document to an email

Updated: December 2023

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How to attach an Excel document to an email

Send in a different format

The best way to mask an Excel file if Outlook refuses to attach it is to compress it. Locate your Excel file on your computer, right-click on it, and select Add to Archive. If Outlook refuses to attach it, you can mask it skillfully. Outlook will probably accept the newly obtained zip file as an attachment.

Furthermore, this software offers the option of converting Excel files into a different type to see if Outlook accepts them. In recent years, this has evolved into a great tool for archiving files, not just for archiving, but also for backup, file management, and even file merging. This is the most popular tool for archiving files, but it doesn’t just do that.

Recover Excel File

Don’t panic if Outlook rejects your Excel file, since it might be corrupt. Special software can easily recover it.

Excel workbooks and data can be protected by this tool, but corrupt files and views can also be recovered by it.

The program supports older versions of Excel from 2000 to 2019 and even recovers tables, graphs, formulas, and cell comments from any Excel file.

Disable antivirus and a third-party firewall

You can check to see if third-party antivirus and firewall software is blocking the Excel attachments by disabling (or uninstalling) them.

Activating an antivirus program is often as simple as right-clicking its icon in the taskbar and choosing the deactivation option.

Make sure that Outlook is the default email client

  1. Shortcut S + Windows key.
  2. You can search for default applications by entering their names.
  3. This window will open once you click Default Applications.
  4. Click the E-mail software button to change the default.
  5. The window for selecting applications will show Outlook.

Restore MS Office Suite

  1. Shortcut R can be accessed by pressing Windows key + R at the same time.
  2. The Uninstall window will open after you type appwiz in the Run window.
  3. Here, select Microsoft Office.
  4. Make a change (or modify) by clicking on it.
  5. Select the Restore option if MSI-based MS Office is installed. Click “Next”.
  6. The online restore option should be selected by clicking “click”, followed by “restore”.

Removing duplicate office applications

Users who have old versions of Microsoft Office applications installed along with the latest versions often have email errors caused by duplicate versions of Office applications. These issues can be resolved by removing duplicate versions of MS Office applications.

You can check for duplicate Office applications by clicking on the Microsoft Office folder in the Windows 10 Start menu. If you want to remove duplicate Office programs that are not associated with your current version, right-click on them and click Uninstall.


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Frequently Asked Questions

The most common reason why an attachment cannot be sent is that it is too large. These restrictions are set by the person you use for email, whether it's an email account with your ISP or an online provider such as Yahoo or Gmail. Check with your email provider about attachment restrictions.

  1. Right-click on the tab of the worksheet you want to email.
  2. If you want to send multiple worksheets, hold down the Ctrl key and click on each one.
  3. The worksheet will now open in a separate folder with a default name, such as Book1.
  4. In that worksheet, click File, Share, Email, select Send as an attachment.

In order to share your workbook, some privacy settings must be turned off. Go to File -> Excel Options -> Trust Center, click Trust Center Options, and under the Privacy Options category, uncheck "Remove personal information from file properties when saving".

Excel has a built-in "Send as attachment" feature that allows you to attach a current file to a new email. This email can be created in Outlook or in your default email application. The Send as Attachment button can be found in the File menu or added to the DeepL (QAT) access panel.

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Mark Ginter is a tech blogger with a passion for all things gadgets and gizmos. A self-proclaimed "geek", Mark has been blogging about technology for over 15 years. His blog,, covers a wide range of topics including new product releases, industry news, and tips and tricks for getting the most out of your devices. If you're looking for someone who can keep you up-to-date with all the latest tech news and developments, then be sure to follow him over at Microsoft.