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This article describes update 5002523 for Microsoft Outlook 2016 that was released on November 7, 2023.

Be aware that the update in 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. (See What version of Office am I using?)

Improvements and fixes

This update fixes an issue in which the body of meeting requests is sometimes truncated or blank after you install Description of the security update for Outlook 2016: August 8, 2023 (KB5002459).

How to download and install the update

Microsoft Update

Use Microsoft Update to automatically download and install the update.

Download Center

This update is also 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? Also see more information about how to download Microsoft support files.

Virus-scan claim

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 Office 2016 installed.

Restart information

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

More information

How to uninstall this update

Windows 11 and Windows 10

  1. Go to Start, enter Control Panel in the search box, and then press Enter.

  2. In the Control Panel search box, enter Installed Updates.

  3. In the search results, select View installed updates.

  4. In the list of updates, locate and select KB5002523, and then select Uninstall.

File information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables. The dates and times for these files are listed in Coordinated Universal Time (UTC). The dates and times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and times may change when you perform certain operations on the files.

x86

outlook-x-none.msp file information

File identifier

File name

File version

File size

Date

Time

Contab32.dll

Contab32.dll

16.0.5420.1000

158,880

26-Oct-2023

20:06

Dlgsetp.dll

Dlgsetp.dll

16.0.5002.1000

112,960

26-Oct-2023

20:06

Emablt32.dll

Emablt32.dll

16.0.5405.1000

136,144

26-Oct-2023

20:06

Envelope.dll

Envelope.dll

16.0.5422.1000

193,632

27-Oct-2023

15:55

Mapiph.dll

Mapiph.dll

16.0.4999.1000

334,960

26-Oct-2023

20:06

Mapir.dll_1033

Mapir.dll

16.0.4723.1000

1,280,712

26-Oct-2023

20:06

Mimedir.dll

Mimedir.dll

16.0.5420.1000

453,224

26-Oct-2023

20:06

Olmapi32.dll

Olmapi32.dll

16.0.5420.1000

4,826,064

26-Oct-2023

20:06

Omsmain.dll

Omsmain.dll

16.0.5413.1000

757,424

26-Oct-2023

20:06

Omsxp32.dll

Omsxp32.dll

16.0.5095.1000

263,072

26-Oct-2023

20:06

Outllibr.dll_1033

Outllibr.dll

16.0.4966.1000

7,498,576

26-Oct-2023

20:06

Outlmime.dll

Outlmime.dll

16.0.5420.1000

618,712

26-Oct-2023

20:06

Outlook.exe

Outlook.exe

16.0.5422.1000

23,303,576

27-Oct-2023

15:55

Outlook.hol_1033

Outlook.hol

Not applicable

1,812,658

26-Oct-2023

20:06

Outlph.dll

Outlph.dll

16.0.5071.1000

360,344

26-Oct-2023

20:06

Outlvba.dll

Outlvba.dll

16.0.5420.1000

80,944

26-Oct-2023

20:06

Pstprx32.dll

Pstprx32.dll

16.0.5420.1000

1,406,480

26-Oct-2023

20:06

Rm.dll

Rm.dll

16.0.5095.1000

92,496

26-Oct-2023

20:06

Scnpst32.dll

Scnpst32.dll

16.0.5405.1000

426,544

26-Oct-2023

20:06

Scnpst64.dll

Scnpst64.dll

16.0.5002.1000

436,888

26-Oct-2023

20:06

Scnpst64c.dll

Scnpst64c.dll

16.0.5002.1000

635,360

26-Oct-2023

20:06

x64

outlook-x-none.msp file information

File identifier

File name

File version

File size

Date

Time

Contab32.dll

Contab32.dll

16.0.5419.1000

206,272

26-Oct-2023

20:08

Dlgsetp.dll

Dlgsetp.dll

16.0.5149.1000

141,184

26-Oct-2023

20:08

Emablt32.dll

Emablt32.dll

16.0.5419.1000

171,184

26-Oct-2023

20:08

Envelope.dll

Envelope.dll

16.0.5422.1000

253,032

27-Oct-2023

15:56

Mapiph.dll

Mapiph.dll

16.0.4999.1000

483,448

26-Oct-2023

20:08

Mapir.dll_1033

Mapir.dll

16.0.4723.1000

1,280,744

26-Oct-2023

20:07

Mimedir.dll

Mimedir.dll

16.0.5419.1000

608,176

26-Oct-2023

20:08

Olappt.fae

Olappt.fae

16.0.4687.1000

134,464

26-Oct-2023

20:08

Olmapi32.dll

Olmapi32.dll

16.0.5419.1000

6,670,320

26-Oct-2023

20:08

Omsmain.dll

Omsmain.dll

16.0.5404.1000

1,007,992

26-Oct-2023

20:08

Omsxp32.dll

Omsxp32.dll

16.0.5404.1000

355,776

26-Oct-2023

20:08

Outllibr.dll_1033

Outllibr.dll

16.0.4966.1000

7,498,568

26-Oct-2023

20:07

Outlmime.dll

Outlmime.dll

16.0.5419.1000

791,048

26-Oct-2023

20:08

Outlook.exe

Outlook.exe

16.0.5422.1000

35,117,496

27-Oct-2023

15:56

Outlook.hol_1033

Outlook.hol

Not applicable

1,812,658

26-Oct-2023

20:07

Outlph.dll

Outlph.dll

16.0.5071.1000

430,992

26-Oct-2023

20:08

Outlvba.dll

Outlvba.dll

16.0.5419.1000

102,448

26-Oct-2023

20:08

Pstprx32.dll

Pstprx32.dll

16.0.5419.1000

2,594,760

26-Oct-2023

20:08

Recall.dll

Recall.dll

16.0.4759.1000

76,088

26-Oct-2023

20:08

Rm.dll

Rm.dll

16.0.5095.1000

112,440

26-Oct-2023

20:08

Scnpst32.dll

Scnpst32.dll

16.0.5002.1000

530,360

26-Oct-2023

20:08

Scnpst64.dll

Scnpst64.dll

16.0.5161.1000

533,448

26-Oct-2023

20:08

Scnpst64c.dll

Scnpst64c.dll

16.0.5419.1000

733,792

26-Oct-2023

20:08

References

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

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

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