Applies ToOutlook 2016

This article describes update 4011570 for Microsoft Outlook 2016 that was released on December 5, 2017. This update has a prerequisite. Be aware that the update on the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2016. It doesn't apply to the Office 2016 Click-to-Run editions, such as Microsoft Office 365 Home. (How to determine?)

Improvements and fixes

This update fixes the following issues:

  • Outlook 2016 crashes when you scroll in the Calendar view if the mouse wheel is disabled.

  • You see incomplete time zone information on Outlook calendar items that are imported from CSV or SharePoint files.

  • The Track Changes feature is enabled unexpectedly on meeting requests that are sent from public folders.

  • When you start Outlook 2016, Outlook 2016 may freeze because of a hidden credential prompt.

  • An issue that causes Outlook to crash when you read an email in the preview pane.

  • The number of unread messages is displayed incorrectly and not updated expectedly in Outlook 2016.

  • Some appointments are saved incorrectly when you save an Outlook calendar as an iCalendar (.ics) file.

  • Third-party MAPI providers may be blocked despite they are in the Outlook profile.

This update also contains the following fixes and improvements:

  • When you use the Japanese version of Outlook 2016 together with an IMAP server, invalid characters, such as a zero-width space, follow the name of the Drafts folder in the IMAP server.

  • Improves the translation for Recurring calendar events in the Swedish version of Outlook 2016.

How to download and install the update

Microsoft Update

Use Microsoft Update to automatically download and install the update.

Download Center

This update is available for manual download and installation from the Microsoft Download Center.

If you're not sure which platform (32-bit or 64-bit) you're running, see Am I running 32-bit or 64-bit Office? Additionally, see more information about how to download Microsoft support files.

Microsoft scanned this file for viruses by using the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to it.

Update information

Prerequisites

To apply this update, you must have Microsoft Outlook 2016 installed.

Restart information

You may have to restart the computer after you install this update.

More information

To determine whether your Office installation is Click-to-Run or MSI-based, follow these steps:

  1. Start an Office 2016 application.

  2. On the File menu, select Account.

  3. For Office 2016 Click-to-Run installations, an Update Options item is displayed. For MSI-based installations, the Update Options item isn't displayed.

Office 2016 Click-to-Run installation

MSI-based Office 2016

The screenshot for Word click to run

The screenshot for Word MSI

How to uninstall this update

Windows 10

  1. Go to Start, enter View Installed Updates in the Search Windows box, and then press Enter.

  2. In the list of updates, locate and select KB4011570, and then select Uninstall.

Windows 8 and Windows 8.1

  1. Swipe in from the right edge of the screen, and then select Search. If you're using a mouse, point to the lower-right corner of the screen, and then select Search.

  2. Enter windows update, select Windows Update, and then select Installed Updates.

  3. In the list of updates, locate and select KB4011570, and then select Uninstall.

Windows 7

  1. Go to Start, enter Run, and then select Run.

  2. Enter Appwiz.cpl, and then select OK.

  3. Select View installed updates.

  4. In the list of updates, locate and select KB4011570, and then select Uninstall.

References

Learn about the standard terminology that's used to describe Microsoft software updates.

The Office System TechCenter contains the latest administrative updates and strategic deployment resources for all versions of Office.

File information

x86

outlook-x-none.msp file information

File identifier

File name

File version

File size

Date

Time

Contab32.dll

Contab32.dll

16.0.4615.1000

153,304

14-Nov-2017

05:15

Dlgsetp.dll

Dlgsetp.dll

16.0.4615.1000

109,776

14-Nov-2017

05:15

Envelope.dll

Envelope.dll

16.0.4627.1000

189,688

15-Nov-2017

07:31

Mapiph.dll

Mapiph.dll

16.0.4498.1000

332,616

14-Nov-2017

05:15

Mapir.dll_1033

Mapir.dll

16.0.4444.1000

1,280,736

14-Nov-2017

05:14

Mimedir.dll

Mimedir.dll

16.0.4615.1000

446,624

14-Nov-2017

05:15

Olmapi32.dll

Olmapi32.dll

16.0.4627.1000

4,791,016

15-Nov-2017

07:31

Omsmain.dll

Omsmain.dll

16.0.4588.1000

753,416

14-Nov-2017

05:15

Omsxp32.dll

Omsxp32.dll

16.0.4606.1000

261,392

14-Nov-2017

05:15

Outllibr.dll_1033

Outllibr.dll

16.0.4615.1000

7,495,888

14-Nov-2017

05:14

Outlmime.dll

Outlmime.dll

16.0.4615.1000

611,584

14-Nov-2017

05:15

Outlook.exe

Outlook.exe

16.0.4627.1000

23,221,424

15-Nov-2017

07:31

Outlook.hol_1033

Outlook.hol

Not applicable

1,335,562

14-Nov-2017

05:14

Outlph.dll

Outlph.dll

16.0.4627.1000

358,680

15-Nov-2017

07:31

Outlvba.dll

Outlvba.dll

16.0.4615.1000

76,512

14-Nov-2017

05:15

Pstprx32.dll

Pstprx32.dll

16.0.4615.1000

1,396,416

14-Nov-2017

05:15

Rm.dll

Rm.dll

16.0.4615.1000

90,808

14-Nov-2017

05:15

Scnpst32.dll

Scnpst32.dll

16.0.4615.1000

460,608

14-Nov-2017

05:15

Scnpst64.dll

Scnpst64.dll

16.0.4600.1000

472,424

14-Nov-2017

05:15

Scnpst64c.dll

Scnpst64c.dll

16.0.4573.1000

673,648

14-Nov-2017

05:15

x64

outlook-x-none.msp file information

File identifier

File name

File version

File size

Date

Time

Contab32.dll

Contab32.dll

16.0.4615.1000

201,432

14-Nov-2017

05:20

Dlgsetp.dll

Dlgsetp.dll

16.0.4615.1000

138,448

14-Nov-2017

05:20

Envelope.dll

Envelope.dll

16.0.4615.1000

249,072

14-Nov-2017

05:20

Mapiph.dll

Mapiph.dll

16.0.4540.1000

481,088

14-Nov-2017

05:20

Mapir.dll_1033

Mapir.dll

16.0.4444.1000

1,280,736

14-Nov-2017

05:20

Mimedir.dll

Mimedir.dll

16.0.4615.1000

601,248

14-Nov-2017

05:20

Olappt.fae

Olappt.fae

16.0.4366.1000

134,480

14-Nov-2017

05:20

Olmapi32.dll

Olmapi32.dll

16.0.4627.1000

6,627,048

15-Nov-2017

07:35

Omsmain.dll

Omsmain.dll

16.0.4588.1000

1,004,296

14-Nov-2017

05:20

Omsxp32.dll

Omsxp32.dll

16.0.4606.1000

352,016

14-Nov-2017

05:20

Outllibr.dll_1033

Outllibr.dll

16.0.4615.1000

7,495,888

14-Nov-2017

05:20

Outlmime.dll

Outlmime.dll

16.0.4615.1000

783,608

14-Nov-2017

05:20

Outlook.exe

Outlook.exe

16.0.4627.1000

35,029,680

15-Nov-2017

07:35

Outlook.hol_1033

Outlook.hol

Not applicable

1,335,562

14-Nov-2017

05:20

Outlph.dll

Outlph.dll

16.0.4627.1000

429,336

15-Nov-2017

07:35

Outlvba.dll

Outlvba.dll

16.0.4615.1000

96,984

14-Nov-2017

05:20

Pstprx32.dll

Pstprx32.dll

16.0.4615.1000

2,583,736

14-Nov-2017

05:20

Rm.dll

Rm.dll

16.0.4615.1000

110,776

14-Nov-2017

05:20

Scnpst32.dll

Scnpst32.dll

16.0.4561.1000

611,168

14-Nov-2017

05:20

Scnpst64.dll

Scnpst64.dll

16.0.4561.1000

614,248

14-Nov-2017

05:20

Scnpst64c.dll

Scnpst64c.dll

16.0.4561.1000

814,456

14-Nov-2017

05:20

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