
exe files and other executable files Microsoft considers unsafe. Microsoft Outlook Express is set up by default to block some attachments, for example. Microsoft Outlook Express is blocking the attachment An alternative solution to this recommendation is to set up a free webmail account and try receiving the attachment through the webmail address. To determine if this is causing your issue, you would need to contact either your Internet service provider or e-mail provider. Check with your ISP to make sure your e-mail is not being deleted because of data restrictions on your service account.
Your ISP may also fail to deliver your e-mail if you exceed a disk space or bandwidth quota. In some cases, the ISP or e-mail provider scans incoming e-mails and attachments, and automatically delete e-mail if it considers an attachment unsafe.
ISP or e-mail provider is removing the attachment
Under Mail Delivery, make sure the box "Don't download messages larger than xxx KB" is not checked. If you're attempting to receive a large file, verify this feature has not been enabled by following these steps. Microsoft Outlook 2000 and earlier can be set up to only accept files of a certain size. Microsoft Outlook 2000 is set up to accept certain sized files Close Microsoft Outlook and then re-open Outlook to see if the attachment issue is resolved. Click the GO button next to Manage and then uncheck all the Add-ins. Disable all add-ins by following these steps. Microsoft Outlook add-ins can cause problems with attachments. How do I disable my antivirus program in Windows?. (After checking if that was the problem, don't forget to re-enable it!) If you have an antivirus protection program installed on your computer, and are having problems opening or viewing attachments, try temporarily disabling your antivirus software. Re-open Microsoft Outlook and sign back into your local or Microsoft account. Click Yes to sign out and then close Microsoft Outlook. Click File, Office Account, and then Sign Out. Close all Microsoft Word, Microsoft Excel, or Microsoft Outlook open windows. Follow these steps to log out and log back into your account. Often, these problems can be resolved by logging out, then logging back into Outlook. If there are problems with how Outlook authenticating you account, it can cause problems without sending attachments. Where to post my pictures, movies, or other files online for free. How can I send a big attachment over e-mail?. The latest versions of Outlook support a file attachment up to 20 MB.