This article describes update 4011123 for Microsoft Outlook 2016 that was released on January 22, 2018. 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 an issue in which some attachments to plain text messages are removed when you forward the message.

How to download and install the update

Download Center

This update is available only 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.

Huh?

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 KB4011123, 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 KB4011123, 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 KB4011123, 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

16.0.4630.1000

153,304

15-Jan-2018

20:11

Dlgsetp.dll

Dlgsetp.dll

16.0.4615.1000

109,776

15-Jan-2018

20:11

Envelope.dll

Envelope.dll

16.0.4627.1000

189,688

15-Jan-2018

20:11

Mapiph.dll

Mapiph.dll

16.0.4498.1000

332,616

15-Jan-2018

20:11

Mapir.dll_1033

Mapir.dll

16.0.4444.1000

1,280,736

15-Jan-2018

20:11

Mimedir.dll

Mimedir.dll

16.0.4630.1000

446,120

15-Jan-2018

20:11

Olmapi32.dll

Olmapi32.dll

16.0.4639.1002

4,788,456

15-Jan-2018

20:11

Omsmain.dll

Omsmain.dll

16.0.4630.1000

753,392

15-Jan-2018

20:11

Omsxp32.dll

Omsxp32.dll

16.0.4630.1000

261,400

15-Jan-2018

20:11

Outllibr.dll_1033

Outllibr.dll

16.0.4615.1000

7,495,888

15-Jan-2018

20:11

Outlmime.dll

Outlmime.dll

16.0.4630.1000

611,576

15-Jan-2018

20:11

Outlook.exe

Outlook.exe

16.0.4639.1003

23,223,480

16-Jan-2018

20:51

Outlook.hol_1033

Outlook.hol

Not applicable

1,335,562

15-Jan-2018

20:11

Outlph.dll

Outlph.dll

16.0.4627.1000

358,680

15-Jan-2018

20:11

Outlvba.dll

Outlvba.dll

16.0.4630.1000

76,512

15-Jan-2018

20:11

Pstprx32.dll

Pstprx32.dll

16.0.4630.1000

1,396,408

15-Jan-2018

20:11

Rm.dll

Rm.dll

16.0.4615.1000

90,808

15-Jan-2018

20:11

Scnpst32.dll

Scnpst32.dll

16.0.4615.1000

460,608

15-Jan-2018

20:11

Scnpst64.dll

Scnpst64.dll

16.0.4600.1000

472,424

15-Jan-2018

20:11

Scnpst64c.dll

Scnpst64c.dll

16.0.4573.1000

673,648

15-Jan-2018

20:11

x64

outlook-x-none.msp file information

File identifier

File name

File version

File size

Date

Time

Contab32.dll

Contab32.dll

16.0.4630.1000

201,432

15-Jan-2018

20:11

Dlgsetp.dll

Dlgsetp.dll

16.0.4615.1000

138,448

15-Jan-2018

20:11

Envelope.dll

Envelope.dll

16.0.4630.1000

249,072

15-Jan-2018

20:11

Mapiph.dll

Mapiph.dll

16.0.4540.1000

481,088

15-Jan-2018

20:11

Mapir.dll_1033

Mapir.dll

16.0.4444.1000

1,280,736

15-Jan-2018

20:10

Mimedir.dll

Mimedir.dll

16.0.4630.1000

601,256

15-Jan-2018

20:11

Olappt.fae

Olappt.fae

16.0.4366.1000

134,480

15-Jan-2018

20:11

Olmapi32.dll

Olmapi32.dll

16.0.4639.1002

6,627,048

15-Jan-2018

20:11

Omsmain.dll

Omsmain.dll

16.0.4630.1000

1,004,264

15-Jan-2018

20:11

Omsxp32.dll

Omsxp32.dll

16.0.4630.1000

352,024

15-Jan-2018

20:11

Outllibr.dll_1033

Outllibr.dll

16.0.4615.1000

7,495,888

15-Jan-2018

20:10

Outlmime.dll

Outlmime.dll

16.0.4630.1000

783,608

15-Jan-2018

20:11

Outlook.exe

Outlook.exe

16.0.4639.1003

35,029,176

16-Jan-2018

20:52

Outlook.hol_1033

Outlook.hol

Not applicable

1,335,562

15-Jan-2018

20:10

Outlph.dll

Outlph.dll

16.0.4627.1000

429,336

15-Jan-2018

20:11

Outlvba.dll

Outlvba.dll

16.0.4630.1000

96,992

15-Jan-2018

20:11

Pstprx32.dll

Pstprx32.dll

16.0.4630.1000

2,583,736

15-Jan-2018

20:11

Rm.dll

Rm.dll

16.0.4615.1000

110,776

15-Jan-2018

20:11

Scnpst32.dll

Scnpst32.dll

16.0.4561.1000

611,168

15-Jan-2018

20:11

Scnpst64.dll

Scnpst64.dll

16.0.4561.1000

614,248

15-Jan-2018

20:11

Scnpst64c.dll

Scnpst64c.dll

16.0.4561.1000

814,456

15-Jan-2018

20:11

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