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Fix: Google Chrome Unable to Attach Files on a Computer

The browser cannot attach the file due to an unsupported file format or the upload service not working.

To fix the Chrome attachment issue, we must update the browser, disable the browser extension, turn off the firewall, or reset the browser.

Method 1: Update Chrome Browser

Updating Chrome can solve many issues, big or small. If Chrome is lagging or unable to attach files, you can check if it has new updates. Using the newest version of the browser is highly recommended.

  1. Launch Google Chrome on your computer.
  2. Hit on More vertical 3-dots icon for options, and select Settings from the list. Google Chrome Settings options
  3. Switch to the About Chrome section on the Settings page.
  4. Google Chrome should automatically start looking for the latest updates. About Chrome Update on Computer
  5. The Chrome will be updated and ask for the relaunch.

Try attaching the files after the updating the browser.

Method 2: Disable Chrome Browser Extensions

Browser extensions can interfere with the running of the browser. You should disable browser extensions to verify if they are creating problems.

  1. Launch the Chrome browser on your computer.
  2. Click on the More vertical 3-dots icon options menu.
  3. Hover on More Tools and select the Extensions option. Chrome More Tools menu with Extensions sub-menuIt will open the Chrome Extensions Manager page with install extensions.
  4. Disable the toggle option against each extension. Disable browser extensions on chrome computer
  5. Restart the browser and check for issues.

Close the tab once you are finished, and try attaching the files.

In most cases, the extensions will cause problems with the site—especially those ads and content blocker extensions.

Method 3: Disable System Firewall

A computer’s Firewall can sometimes interfere with the internet connection or browsers. You may try disabling your computer’s Firewall so that it won’t impede Chrome’s ability to attach files.

  1. Open the Start menu and search for Windows Defender Firewall.
  2. Click on Turn Windows Defender Firewall On or Off from the left menu bar.
  3. Enable the checkbox for Turn off Windows Defender Firewall under both the Public and Private networks. Turn off Windows Defender Security

Check if Chrome allows you to attach files once you have disabled the Firewall. Also, re-instate the Firewall and turn it ON once you follow this tip.

Method 4: Re-login into Account

It is the easiest solution on the list. You must sign out of your account if you use email to share files with others and cannot attach them. Once you have signed out, sign back into your account.

Try attaching the files after logging into your account. Signing out might have fixed the problem.

Bottom Line

Sharing files through email or other tools is nothing out of the ordinary in today’s times. Whether you share files for individual or commercial use, doing so has almost become a daily occurrence.

Sharing files across the internet has become more common in this digital age. Even workspaces are moving online and going the digital way.

If you use Chrome, you may notice that you cannot attach files to emails or other tools.

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Kushal Azza

Kushal Azza

Kushal Azza is a Google Certified Analytics & IT Professional, Digital Content Creator, and Go-To Digital Marketer with an Engineering Degree. He has over a decade of experience solving tech problems, troubleshooting, and innovating digital solutions. Follow him on Twitter and LinkedIn.

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