[Best Ways] How to Fix Outlook 2011 Mac Error Code 18500?

Users are often seen complaining that when they attach Outlook for MAC with Exchange Server they get error message like “Server cannot fulfill request” on sending emails to others. Therefore whenever they try sending any sort of email with or without attachment, they take delivery outlook Mac error code 18500. But, you need not worry anymore, in this article you will guided with the best resolution in order to fix Outlook 2011 Mac error code 18500 with the help of manually as well as automatically.

Read further to know more…

Something About Outlook Error Code 18500

While transferring files of large volume Outlook 2011 Mac error code 18500 comes into picture. This issue indicates that there is a problem with the authentication and the EWS folder. To resolve the error you need to add the authentication to the EWS folder. Moreover any file above the capacity of 1MB is considered to be large here. Therefore failing to deliver larger message means that you have issue with EWS directory and validation.

Manual Method to Fix Outlook 2011 Mac Error Code 18500

You can resolve this problem by making addition of essential certification to the folder to EWS into IIS i.e. Internet Information Service.To do so, you have follow the below steps carefully:

Step 1: At first, you have to go to IIS folder and up on EWS folder as mentioned below;

Step 2: Now press ‘Authentication’ and facilitate the fundamental settings of EWS folder for solving this error.

Step 3: Now if you have files that are extra large like above 10MB then you have to solve this error by maximizing the size of file to utmost using web.config file. Though, system will presage with safety warning something like “It is not recommended” but it is necessary to be performed.

After performing tasks as such, you need to create Outlook again and try to deliver message. If you take delivery of “MAC HTTP error code 18500” even after this then you definitely have failure bug into account of your Outlook.

Automatic Way to Resolve error 18500 outlook mac

Even after trying the above manual method, if you fail to repair outlook error code 18500 this issue then you can go for third party repair tool. Because the third-party tools can solve all issues related to the MAC Outlook files without any trouble.

And the best available option for this purpose is OLM File Repair Tool that’s professionally designed to repair these corrupt identity crises and easily recover lost emails folder structure.

So, What are you waiting for just download and run this excellent program to resolve outlook mac error code 18500 with ease.

Steps to Repair The OLM File

Step 1: Select the crooked/damaged OLM file and begin course of repair by hitting ‘Start’ button.

Step 2: Scan file will be specified by ‘Scanning OLM File’ status bar. ‘Stop’ button will help you to discontinue method.

Step 3: Detailed summary of the entire process will be shown after completion of repair such as number of recoverable mail objects.

Step 4: Click on “mail” icon to foretaste recoverable mail where middle pane displays mail into preferred mail folder from left and right pane shows the content from middle pane.

Step 5: ‘Address Book’ icon will show you preview of your recoverable contacts in which middle pane demonstrates total contacts in address book and right pane illustrates details of the elected contact.

Step 6: Click the ‘Calendar’ icon to preview your recoverable Calendar notes in which middle pane shows all the calendar entries and the right pane shows the details of the selected entry.

Step 7: By hitting the ‘Notes’ icon, you can preview your recoverable notes. The middle pane will show all the notes which is available in your mailbox and right pane shows contents of the selected note.

Step 8: Hit the ‘Task’ icon to preview your recoverable tasks in which middle pane will show all the task in the mailbox and right pane will show the content of the selected task.

Step 9: Click on the ‘Save Repaired File’ to save the recovered mail objects. Provide the destination name and the file will be saved by the name-Main identity.rge.

Time To Conclude

After executing the above steps, now I hope you must have come to know how to fix Outlook 2011 Mac error code 18500 easily. But, I would like to suggest you to try the automatic solution that is – OLM File Repair Tool. This feature-loaded software will definitely help you out to solve any error related to OLM files.

Jeff Tecson is a senior technical writer at filerepairtool.net having over 5 years of experience. He has provided solutions related EDB file, OLM, PST Repair & many other email clients. Jeff holds a degree of Master’s in Computer Science from University of California, CA. Besides writing, he loves to play games, passionate about troubleshooting different technical problems and also wants to help people by providing best solutions in the industry.