One of the common issue of all the versions of Outlook is that it's not able to send large or multiple file attachments in emails. And generally the given below POP-up error occurs after excess attachment in email:
Error Message: "You are attempting to attach too many files at once. Try reducing the number of files being attached"
The default size limit of attachment in MS-Outlook is 20MB, which sometimes not enough for Outlook users to send their data. When user tries to send a high resolution picture or a heavy attachment which is exceeding the attachment limit, this message interrupt and mess your Outlook experience.
Stuck emails in Outlook due to the attachment issue can be easily handled in various ways. Usually, to handle such issue user goes for Zip option and then send email in Outlook.
Then, What apart from it? Or Is there any way to send multiple files in single attachment in Outlook? Have a look
Increase the Size Limit of Attachment: Via making some changes in registry, user can increase the size limit of attachment in Microsoft Outlook and able to send large size of files in attachment. Follow the given instructions to which helps user to increase the attachment size of data in Outlook' emails.
Step1.)
Type "regedit" in search bar under the main menu button.
Step2.)
Follow this Key Path:
HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Outlook\Preferences to reach at "preferences" folder.
Step3.)
Select the "MaximumAttachmentSize" option from the list of option.
Note: In absence of "MaximumAttachmentSize", right click on screen and create a new registry as "MaximumAttachmentSize".
Step4.)
By pressing "Enter" button, user can change the size limit of attachment and set it according to their use in KB (Kilobyte).
Step5.)
Finally, Click on the "Ok" button.
Use Shortcuts: Outlook user should prefer shortcuts of files, instead of complete files.
Attach Files in Groups: If you are not capable to send the whole data in one attachment, then send it through different emails dividing them into groups.
Use ZIP Format: Zip option can compress and help in reduce the size of any file for attachment in emails. For huge amount of data delivery via Email attachment ZIP format is best way.
Drag & Drop Option in Outlook: Generally, users attach the file using "Attachment" button. But simply drag & drop option works same as "Attachment" button.
Use Sharing Service: Using Sharing Services like Google Drive, Drop box and other clouding storage activity, we can also manage the large size of attachment files in Outlook.
But Using with sharing services, users should also care about security of their data.