I would verify that their Exchange account is the only account within outlook. From a few different places it looks like it could be something stuck in Drafts too (although you said you checked there). Possibly removing the account and re-adding it in Outlook could be the quick fix to it (although they would lose their saved autocompletion which a lot of people complain when they lose it).

In Microsoft Outlook 2016 for Mac, you are repeatedly prompted for authentication while you're connected to your Office 365 account. This issue occurs because of the presence of duplicate tokens in the keychain. To resolve this issue in Outlook 2016 for Mac, install the February 2017 Outlook update (version 15.31.0) from the. In Microsoft Outlook 2016 for Mac or Office for Mac 2011, you receive a 'No Results' message when you try to search for an email message or apply a filter to a folder, and task items are not displayed in the Tasks folder. Additional Trick: – Try OLM to PST Converter and easily view entire data from Mac Outlook to Windows Outlook. It is the suggested and trusted solution.

Im running 2016 on probably 25 Mac's and haven't seen this issue yet, but I have had weird issues with Outlook in general that aren't worth the time messing with and just adding the account back again will fix saving all of our times.

Dec 03, 2020 • Filed to: Recover & Repair Emails • Proven solutions

Outlook error code 17193 is a typical problem that you get while sending a mail with attachments. You might get a long message stating that the total size of the attachments exceeds the limit, and you'll have to remove one of the attachments before sending/saving it. Just like any other error, it affects how efficiently Outlook works. For one thing, you can compress the file and try sending it again to resolve the issue.

But if you're facing Outlook error 17193, this article is just for you. Read on to know about the root cause of the issue and various measures to avoid it.

Part 1: Main reasons causing Outlook error code 17193

There are numerous reasons responsible for the occurrence of such an error. One of the best ways to avoid Mac Outlook error 17193 is to understand different aspects of the root cause of the problem. We have mentioned some of the critical reasons resulting in the error.

Hardware Issues

Often the overused hard drive or inability to store PST files by it is one of the responsible factors for the error. It leads to the corruption of PST files and the loss of the emails as well. The damaged hard drive also results in multiple errors that prohibit access to PST files. Moreover, there are three types of hardware failures that cause the problem. It includes,

Data Storage Device Failure
Network Device Failure
Unexpected Power Failure

Software issue

Usage of unlicensed software affects not only the way your system works but also its PST files. It would be best if you use genuine software instead of a pirated one.

Virus Attack

Malware or virus intrusion is a real culprit for Outlook error code 17193. Not only does it affect your system, but also the PST files. If you are downloading or importing data from an untrusted source, it would be best if you use antivirus for safety reasons.

Abruptly closing Outlook

Unsafe closure of Outlook can damage your PST files. It could also lead to inaccessible or corrupt PST files. Hence, it is essential to save and exit Outlook safely.

PST file size error

If you are using an old version of Outlook and the size of your PST files is over 2GB, it might get corrupt.

Part 2: Measures to avoid Outlook error code 17193

As briefly mentioned earlier, there are various ways to prevent Outlook error 17193 in the first place. The fact that it can also lead to more errors, including error 0x800ccc0f, 0x800ccc90, and various others, it cannot be ignored. Here are some of the key measures to avoid errors in the future.

Keep the safe limit for Outlook PST file

Setting a safe limit of 15-20 GB on your Outlook PST files is helpful to ensure that the PST files don't get affected by Mac Outlook error 17193. The fact that Outlook 2003 & 2007, supports file size of up to 20 GB and Outlook 2010, 2013, and 2016 supports up to 50 GB, setting a limit would be a great option to entertain.

Distribute the email load

Error Code 17193

Outlook 2013 and onwards versions are equipped with an option to create multiple PST files. It allows you to create new PST files and transfer the emails once you hit the set limit of 10-15 GB limit. Not only will it help you to manage PST files efficiently, but it prevents them from getting full.

Try Outlook Inbox repair tool

If it’s a minor PST file corruption, you can use an inbuilt tool ‘scanpst.exe.’ Although 'scanpst.exe' works best to handle minor PST files corruption, it is not a practical option for repairing big PST files.

Using Professional Outlook PST Repair tool

Microsoft Outlook Error Code 17193 Mac Download

If the size of your PST files is huge, Outlook error 17193 can corrupt the files itself. In such a scenario, you won't be able to resolve the issue using the scanpst.exe process. Moreover, it doesn't support the large PST files. Furthermore, in this case, one of the best ways to fix Outlook Error 17193 is by using a third-party application that can fix your PST files.

Stellar Outlook repair is one of the reliable software tools that work best in such a scenario. Download & launch the software application on your Mac computer and follow the steps mentioned below to repair PST files.

Step 1: Add PST file

As when you launch the application, a window will pop up with the option ‘Select PST files for repair.’ Now, click on the ‘Browse’ button and select the PST files that you want to repair.

Step 2: Repair the PST file

Now, choose all the PST files and tap on the 'Repair' tab. It might take some time as the software scans PST files and depends on the size of the PST file.

Step 3: Preview and save

Once the scanning and repair process is completed, you will get the preview of repaired files. Click on 'Save Repaired File' to save the repaired files. Before doing so, you must select the format of the file, its path, and click on 'OK.' You will get a message saying that the file has been saved at the desired location.

The Bottom Line

Outlook error 17193 can affect the PST files of your system and the overall performance of Outlook. If you know know the source of the error, it can be resolved in no time using 'scanpst.exe.' And if that doesn't help, you can rely on Stellar Outlook Repair to solve the error and repair the PST files.

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