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Solve Error Code 17199 Outlook Mac with Full Data Safety

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Published By Jamie Kaler
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Approved By Rollins Duke
Published On April 23rd, 2026
Reading Time 7 Minutes Reading
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Facing a sudden error code 17199 Outlook Mac while sending emails, but donโ€™t know how to get rid of it? This blog will share four methods to fix Outlook error code 17199 on Mac. We use manual workarounds to fix this error for free, and an automatic solution to get more effective results. The manual methods to solve error 17199 require basic tech knowledge of Legacy Outlook. Manual ways to solve error code 17199 are time-consuming & prone to human errors.

Professional users opt for a risk-free, accurate, & instant offline solution to get the job done without facing any serious issues on Mac. Whether they need to send an urgent email or run a mail merge to their business clients. An automated offline solution has become a reliable option over the manual methods.

The use of free methods is fine, but sometimes manual methods are not useful to solve error code 17199 Outlook Mac, and also, manual methods do not guarantee data integrity. If you still want to use manual workarounds, then get ready to face unconditional challenges occurs while using free methods.

Resolve Error Code 17199 Outlook Mac Manually

In this guide below, we will use three methods to solve error code 17199 Outlook Mac, such as internet connectivity, re-entering account credentials, and deletion of pending emails in queue. Firstly, we check our internet connection because sometimes fixing the internet also solves the issue. If the issue is still constant, then we re-enter same account again with Legacy Outlook, after that, we check unsend pending emails in queue. Follow the steps below to fix error 17199 with free methods.

1st Method: Resolve Outlook error code 17199 by Checking Internet Connectivity

  1. Open โ€œSafariโ€ or โ€œChromeโ€ browser on your Mac Device.
  2. Then, search for any โ€œweb-basedโ€ email clients, such as Gmail, Outlook & other web clients, etc.
  3. After that, try logging in to any web-based email client account where you have your email account.
  4. If your account logging takes more than the expected time, and you are unable to sign in.
  5. Then, contact your internet service provider to resolve your Internet issue.
  6. You can also try to connect your Mac device to another โ€œWi-Fiโ€ or โ€œMobile Hotspotโ€ to check internet connectivity.
  7. Afterwards, test your Outlook for Mac; this will run normally.

2nd Method: Account Re-enter Credentials to Fix Error 17199

Sometimes legacy Outlook fails in authentication with a user’s account due to expire, incorrect, or changed password.

  1. Open Legacy Outlook on your Mac Device.
  2. Then, go to โ€œToolโ€ option, choose โ€œAccounts.โ€
  3. After that, choose your existing โ€œEmail Accountโ€ from the left panel.
  4. Here, re-enter your email ID along with your password.
  5. Then, verify both โ€œincomingโ€ & โ€œoutgoingโ€ servers.
  6. Finally, restart your Outlook application & check it by sending a new email.
  7. Done! Your issue 17199 is solved.

3rd Method: Delete Pending Emails from Outlook

Sometimes corrupted OLM files or stuck messages in the Outbox will also trigger Error 17199. Due to which users face this issue. To fix this, follow the instructions below carefully.

  1. Open Outlook application on your MacOS.
  2. Then, go to the โ€œOutboxโ€ folder from the mailbox.
  3. After that, select all emails by pressing โ€œCommand (โŒ˜) + Aโ€ and click on โ€œdeleteโ€ button to delete all the pending email queues.
  4. Finally, click on โ€œSend/Receiveโ€ button to refresh your entire Outlook and test your Outlook by sending a new email to anyone.
  5. Your error code 17199 Outlook Mac has been solved.

Limitations of Using Manual Methods to fix Error 17199

  • Using first manual method only fixes basic causes like connectivity & stuck emails. If your Outlook is facing a serious error or having other issues, such as a corrupted Outlook profile, system bugs, or server-side problems, then this method is not useful to resolve.
  • Re-entering credentials does not repair damaged Outlook data files like OLM corruption. If the mailbox itself is corrupted, the problem will not be solved.
  • Switching internet connections only works temporarily, if the error 17199 has another root cause, then this method wonโ€™t work, & the issue will reappear.
  • Deletion of all emails from Outbox is also not useful, in case of accidental presence of any important email inside the Outbox, they will be permanently lost.
  • To verify incoming/outgoing server settings, you need to enter correct details on it. If wrong details were entered, then you face connectivity & authentication issues.
  • If you are using an outdated or buggy Outlook version, then all the listed manual methods wonโ€™t work. You need to update or reinstall the latest version of Outlook application.
  • Contacting an internet service provider is not always practical & quick, and the issue might not even be on their end.
  • To fix error code 17199, users need to try all methods one by one, if not working, first & second ones, which can be a frustrating & time-consuming activity, especially if none resolve the issue.
  • All the listed methods require basic technical knowledge of Outlook. If the non-technical or newbie user is trying to attempt any one method, then it’s hard for them & they might make mistakes, which creates other serious issues with account.

These were the limitations of using manual methods to resolve error 17199.

How to Fix Error Code 17199ย  with Automatic Solution?

The use of manual methods to solve error code 17199 is fine, but according to its given unconditional limitations, itโ€™s not useful in account corruption and takes up users’ time. However, you can try this trustworthy, secure OLM Converter Toolkit by MailsWare to fix error 17199. You simply need to convert your OLM file into PST format, then import it into your Mac Outlook. This OLM converter tool is specially designed to solve such types of Outlook Mac errors. Secondly, this tool converts OLM files into PST format accurately, with maintained data integrity & preserved attachments.

Steps of Automatic Solution

  1. Open the tool on your MacBook computer.Open the tool and click next
  2. Selectย option between โ€œfolderโ€ or โ€œfile,โ€ & hit on โ€œNextโ€ button.select between file and folder
  3. After that, choose โ€œfoldersโ€ for your PST file conversion inside the preview panel, and click โ€œNext.โ€error code 17199
  4. Then, set saving option as โ€œPSTโ€, along with โ€œFile Destination.โ€outlook error code 17199
  5. Lastly, click on โ€œNextโ€ button to start the conversion process.error code 17199 outlook mac
  6. Done! Your Outlook error code 17199 has been solved by using this process.conversion started
  7. Now, Import PST file on your Mac Outlook.
  8. Click on โ€œFileโ€ menu, select โ€œImportโ€ option, and choose โ€œOutlook for Windows archive file (.pst).โ€
  9. After that, click on โ€œContinue,โ€ and choose the โ€œConverted PSTโ€ file with use of this tool, and click โ€œImportโ€ button.
  10. Wait to load PST files inside your Outlook Mac properly.
  11. Now, you can use your Outlook account without facing error code 17199 Outlook Mac.

Advantages of using Automatic Solution

  • Whether you are a newbie, non-technical, or technical user, this tool is easy to use for all of you.
  • By using this tool, you can convert OLM to PDF to present OLM files in PDF format in an admissible court or you can use it to view your Outlook OLM files data in PDF format.
  • The tool provides selective conversion of OLM files according to users’ needs.
  • You can access your OLM file data in Thunderbird application. Only you have to convert OLM to Thunderbird with same tool.
  • This tool provides 29 saving options for conversion, such as convert OLM to PST, MBOX, EML, TXT, & HTML, etc.
  • Software maintained full data integrity throughout entire conversion procedure and preserved original folder structure while converting OLM file into PST.

These were the benefits of using an automatic solution to solve error code 17199.

Final Thoughts

At the conclusion of the blog on the topic of how to fix error code 17199 Outlook Mac. We provided three manual methods for error 17199. We used both free methods & an automatic solution to fix Outlook error code 17199. While testing manual methods, we found manual workarounds are fair, but according to their limitation its time-consuming, lengthy, not easy for non-technical users, and it also has confusing steps, due to which even newbie users might make mistakes to follow all of them for the first time. Because of this, their account may face technical troubles.

On the other hand, professionals suggested an automatic solution is simple to use, quick, and delivers secure results to user at once with full data integrity.

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