Skype for Business for Android app icon

Skype for Business for Android

Skype for Business extends the power of Lync and Skype to your mobile device

Microsoft Corporation · com.microsoft.office.lync15

4.8 (9 ratings) 10M+ downloads v6.39.0.23 141.9 MB Android 8.0+ PEGI 3 · Everyone

Download APK 141.9 MB All versions
  • Signature matches the Google Play version Details

At a glance

Latest version
v6.39.0.23 (103219223)
Updated
Oct 7, 2026 (2 days ago)
APK size
141.9 MB
Requires
Android 8.0+ (API 26)
CPU support
x86 32-bit, x86 64-bit, ARM 32-bit, ARM 64-bit
Graphics
OpenGL ES 2.0+
Category
Business (app)
Listed since
Oct 29, 2020 (at least)
Permissions
44 (14 sensitive)
Website
go.microsoft.com/fwlink/?LinkId=291335
Developer contact
[email protected]
Privacy
Developer's privacy policy

About this APK

Skype for Business for Android is an app by Microsoft Corporation in the Business category, listed since at least October 2020. It includes native code for x86 32-bit, x86 64-bit, ARM 32-bit and ARM 64-bit, so it runs on practically every phone.

Since version 6.31.0.7, the APK grew from 60.4 MB to 141.9 MB. Since version 6.25.0.27, the minimum Android version rose from 4.2 to 8.0. It asks for 44 permissions, 14 of them sensitive, including camera, record audio and read contacts. It asks for the same permissions as version 6.38.0.22.

Ratings

4.8out of 59 ratings
  • 5 ★78%
  • 4 ★22%
  • 3 ★0%
  • 2 ★0%
  • 1 ★0%

Ratings from users of the source store — not collected or verified by AAPKs.

What's new in v6.39.0.23

Bug Fixes and Improvements

Description

From the listing uploaded by “appupdater”.

Skype for Business, formerly Lync 2013, for Android extends the power of Lync and Skype to your favorite mobile device: voice & video over wireless, rich presence, instant messaging, conferencing, and calling features from a single, easy-to-use interface. Key Features: -Initiate a group IM or video conversation and invite additional participants -Join, rejoin and initiate a Skype for Business Meeting to communicate and collaborate on amazing ideas -Share your video and view speaker's video during a conference -Control the meeting (mute or remove attendees) and know more about participants’ modalities -Look at your upcoming meetings and join via one click -Find your recent conversations and pick them up from where you left -Search your contacts by name, email, or phone number -Enhanced security via Active Directory Authentication Library (ADAL) Anyone can use the Skype for Business Mobile app when invited to a Skype for Business or Lync 2013 meeting. However, you must have a Skype for Business or Lync account in order to use (and enjoy) the full capability of the Skype for Business Mobile app. Also, some functionality might require an update to Lync or Skype for Business Server or might not be available to all users. If you’re not sure about your account status, please contact your IT department IMPORTANT: THIS SOFTWARE REQUIRES CONNECTIVITY TO VALIDLY LICENSED COPIES OF MICROSOFT LYNC OR SKYPE FOR BUSINESS SERVER OR OFFICE 365 / LYNC ONLINE / SKYPE FOR BUSINESS ONLINE AND WILL NOT WORK WITHOUT IT. UPDATES TO MICROSOFT LYNC SERVER OR SKYPE FOR BUSINESS MAY BE REQUIRED FOR PROPER PERFORMANCE. SOME FUNCTIONALITY MAY NOT BE AVAILABLE IN ALL COUNTRIES. IF YOU ARE UNSURE ABOUT YOUR COMPANY’S LICENSE TO AND/OR DEPLOYMENT OF LYNC OR SKYPE FOR BUSINESS, PLEASE CONTACT YOUR IT DEPARTMENT. SKYPE FOR BUSINESS APP IS ONLY AVAILABLE FOR Android 4.0 OR GREATER.

Version history

6 versions are listed; the oldest rated Trusted is v6.25.0.27. Since v6.36.0.18 it requires Android 8.0+.

v6.39.0.23 LATEST Oct 7, 2026 141.9 MB TRUSTED v6.38.0.22 Mar 28, 2026 141.9 MB TRUSTED v6.36.0.18 Nov 21, 2025 141.1 MB TRUSTED v6.31.0.7 Nov 7, 2025 60.4 MB TRUSTED v6.25.0.27 Mar 28, 2026 42.4 MB TRUSTED

All 6 versions

Security & authenticity

Security rating: Trusted

Signing certificate

  • Signature matches the Google Play version Checked by the source store on Oct 7, 2026.
  • Certificate issued to “Microsoft Corporation” This is the certificate of the Google Play version.
  • Same certificate as the 2 other versions checked

Store checks and file details

  • Developer signature not checked yet Oct 7, 2026
  • Validated against Google Play Oct 7, 2026
  • Signed byCN=Microsoft Corporation Third Party Marketplace (Do Not Trust), OU=Android Marketplace Signing for Microsoft Office, O=Microsoft Corporation, L=Redmond, ST=Washington, C=US
  • Signing certificate (SHA-1)7D:C8:3C:D2:AB:E8:33:56:0C:28:96:62:6E:30:70:41:C0:DF:3A:7A
  • File MD559fd87aa6b2a15273c162e5b628e427d
  • Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (44)

Skype for Business for Android requests 44 permissions, 14 of them sensitive.

Skype for Business for Android APK: questions and answers

Is there a version of Skype for Business for Android for older Android phones?

The current version needs Android 8.0 or later. Version 6.31.0.7 is the newest listed build that installs on Android 5.0 and later. Get version 6.31.0.7 · All versions

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Skype for Business for Android APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 59fd87aa6b2a15273c162e5b628e427d.

Tags

microsoft office lync15 business skype

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