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Can't attach files in Outlook.com

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New Contributor

Can't attach files in Outlook.com

Ever since my Hotmail account was upgraded to Outlook, the file attachment button doesn't work. The arrow doesn't even turn into a hand - it's as if Firefox doesn't even see it. It works fine in IE, but I prefer to use Firefox. I have seen various people offering solutions such as getting the latest version of Silverlight or disabling it, removing Adblocker and installing Webmail Adblocker instead. I have tried all these options and nothing works.

Surely this is an issue with Firefox that needs to be resolved. Until then I would like a work around solution.

1 ACCEPTED SOLUTION

Accepted Solutions
New Contributor

Re: Can't attach files in Outlook.com

Mysteriously my problem seems to have resolved itself.

All I can assume is that there was a fix when I updated Firefox to version 20.0.1

Thanks for everyone that attempted to diagnose the problem.

16 REPLIES
Legendary Contributor

Re: Can't attach files in Outlook.com

Many site issues can be caused by corrupt cookies or cache. In order to try to fix these problems, the first step is to clear both cookies and the cache. Note: This will temporarily log you out of all sites you're logged in to. To clear cache and cookies do the following:

  1. Go to Firefox > History > Clear recent history or (if no Firefox button is shown) go to Tools > Clear recent history.
  2. Under "Time range to clear", select "Everything".
  3. Now, click the arrow next to Details to toggle the Details list active.
  4. From the details list, check Cache and Cookies and uncheck everything else.
  5. Now click the Clear now button.

Further information can be found in the Clear your cache, history and other personal information in Firefox article.

Did this fix your problems? Please report back to us! _________________________________________________________________________________

Site Moderator

Re: Can't attach files in Outlook.com

Did you try to disable Silverlight to see if that makes the web page make use of other methods?

New Contributor

Re: Can't attach files in Outlook.com

I use IE Privacy Keeper to clear cookies and history everytime I close IE or Firefox. It runs automatically. When I reload Firefox and go into Outlook the problem is still there.

New Contributor

Re: Can't attach files in Outlook.com

I have tried disabling Silverlight, it makes no difference to the functionality of Outlook.

Legendary Contributor

Re: Can't attach files in Outlook.com

Try Firefox Safe Mode to see if the problem goes away. Safe Mode is a troubleshooting mode, which disables most add-ons.

(If you're not using it, switch to the Default theme.)

  • You can open Firefox 4.0+ in Safe Mode by holding the Shift key when you open the Firefox desktop or Start menu shortcut.
  • Or open the Help menu and click on the Restart with Add-ons Disabled... menu item while Firefox is running.

Once you get the pop-up, just select "'Start in Safe Mode"

If the issue is not present in Firefox Safe Mode, your problem is probably caused by an extension, and you need to figure out which one. Please follow the Troubleshoot extensions, themes and hardware acceleration issues to solve common Firefox problems article for that.

To exit the Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.

When you figure out what's causing your issues, please let us know. It might help other users who have the same problem.

New Contributor

Re: Can't attach files in Outlook.com

I tried Safe Mode - problem still there. I tried Normal mode also with all Extensions disabled - problem still there.

Legendary Contributor

Re: Can't attach files in Outlook.com

Are you getting any specific error, what happening when you try to upload the attachment in outlook.com

New Contributor

Re: Can't attach files in Outlook.com

Nothing happens. As I said before - the arrow doesn't turn into a hand. I can't click on attach files at all.

Site Moderator

Re: Can't attach files in Outlook.com

Can you click on other parts of that line like the field that shows the file name?