Again in September final yr, Microsoft had opened a difficulty for Workplace apps like traditional Outlook and Phrase, whereby the corporate confirmed that customers would encounter an MLSL DLL file error. Since then, the tech large additionally added PageLayout DLL to the problem.

ISSUE

After putting in current updates, you may see a number of of the next errors whenever you begin Outlook, Phrase, or different Workplace purposes:

• “The required file pagelayout.dll can’t be present in your path. Set up Microsoft Outlook once more.”
• “The required file msls70.dll can’t be present in your path. Set up Microsoft Outlook once more.”

Microsoft had supplied no workaround on the time and had solely requested affected customers to report the issue. After months of investigation, the corporate has lastly managed to determine what the issue was. Therefore, the problem has now been closed as “mounted.”

Microsoft explains:

STATUS: FIXED

The Workplace Group made a change in Model 2504 Construct 18730.20000 to assist mitigate the problem. Monitor Replace Historical past for construct availability, Replace historical past for Microsoft 365 Apps (listed by date).

This situation can happen when the Workplace model doesn’t match the Workplace channel. For instance, this situation could happen in case you are on the Month-to-month Enterprise Channel, however the model of the Workplace utility is the Present Channel’s model. Ensure that the channel you’re on matches the model displaying for that channel on Replace Historical past, Replace historical past for Microsoft 365 Apps (listed by date). To see the Workplace model, open Phrase and choose File, Account, underneath About Phrase. If there’s a model mismatch, then there’s a drawback with the deployment configuration. For those who use Intune, make certain the model, and construct of Workplace on the person’s machine matches the channel and construct you’re intending the person to have.

The speedy resolution is to maneuver to the channel that matches the Workplace construct. The difficulty could also be mitigated by uninstalling and reinstalling Workplace. For those who need assistance working by way of the problem, please open a assist case with the Workplace Deployment assist workforce.

Microsoft has additionally added particulars on the right way to escalate the issue with corresponding assist engineers if the problem pops up once more:

As soon as you’re on the mounted construct and in the event you nonetheless see points, please gather the Workplace Logs and the file data under and share them along with your assist engineer.

1. Shut all Workplace apps after which zip up the logs on this listing and add to your assist case:​​​​Logs: %temp%/diagnostics.
2. Obtain the Microsoft 365 Apps Deployment Log Collector from the Official Microsoft Obtain Middle. As soon as downloaded, extract it to a folder, run it, after which add the zipped-up logs to your assist case,
3. Seize a screenshot of the Phrase model particulars. Go to this folder: C:Program FilesMicrosoft OfficerootOffice16. Find Winword.exe, right-click on it and choose Properties, then choose Particulars, and take a screenshot so as to add to the assist case.
4. Seize a screenshot of the msls70.dll and pagelayout.dll model particulars in the identical folder as famous in step 3 and add to the assist case. In some circumstances, the model is probably not listed however we nonetheless need to see that data. If the information usually are not current in that folder, that must be famous within the case.

Yow will discover the assist article for the bug right here on Microsoft’s official web site.