
At a glance
- Latest version
- v2.6.6 (4000266)
- Updated
- Oct 8, 2025 (1 year ago)
- APK size
- 16.5 MB
- Requires
- Android 7.0+ (API 24)
- CPU support
- ARM 64-bit
- Category
- Productivity (app)
- Listed since
- Feb 5, 2020 (at least)
- Permissions
- 10 (2 sensitive)
- Website
- ntoolslab.com
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Open Office Viewer - Open Doc Format & PDF Reader is an app by nTools in the Productivity category, listed since at least February 2020. It includes native code only for ARM 64-bit, so it won't install on phones that can only run 32-bit apps.
Since version 2.4.2, the minimum Android version rose from 5.0 to 7.0. It asks for 10 permissions, 2 of them sensitive: read shared storage and modify shared storage. Compared with version 2.4.2, it drops 1 permission: “Receive push notifications”.
What's new in v2.6.6
Description
From the listing uploaded by “catappult”.
Version history
2 versions are listed, going back to v2.4.2. Since v2.6.6 it requires Android 7.0+.
Security & authenticity
Signing certificate
- Certificate issued to “nTools” The developer's name — though anyone can put any name in a certificate.
- Same certificate as the other version checked
Store checks and file details
- Developer signature verified Sep 29, 2020
- Antivirus scan result not available
- Signed byCN=Justin Song, OU=Dev, O=nTools, L=Foster City, ST=CA, C=01
- Signing certificate (SHA-1)1C:65:F8:4A:F8:1E:83:D9:59:2A:23:4F:86:E7:ED:6F:27:51:FD:E5
- File MD55cae1a4996ef71f4e5beaf7b0a31b06f
- Uploaded by “catappult” Platinum tier · 1,377 followers · uploading since 2018
Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (1 other version compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (10)
Open Office Viewer - Open Doc Format & PDF Reader requests 10 permissions, 2 of them sensitive.
- Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
- Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
- Add home-screen shortcuts com.android.launcher.permission.INSTALL_SHORTCUT
- Full network access android.permission.INTERNET
- Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Read media storage android.permission.READ_MEDIA_STORAGE
- Run foreground services android.permission.FOREGROUND_SERVICE
- View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
- View network connections android.permission.ACCESS_NETWORK_STATE
Required hardware & features
- Basic touch input android.hardware.faketouch
- Wi-Fi android.hardware.wifi
Open Office Viewer - Open Doc Format & PDF Reader APK: questions and answers
Is there a version of Open Office Viewer - Open Doc Format & PDF Reader for older Android phones?
The current version needs Android 7.0 or later. Version 2.4.2 is the newest listed build that installs on Android 5.0 and later. Get version 2.4.2 · All versions
Can I install this APK over the version I already have?
Only if it is signed with the same certificate as the copy on your phone and isn't an older version. If Android says “App not installed”, the certificates differ; uninstalling your copy first works but deletes its data unless it is backed up.
Is the Open Office Viewer - Open Doc Format & PDF Reader APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. It is signed with the same certificate as the other version checked. After downloading, check that the file's MD5 is 5cae1a4996ef71f4e5beaf7b0a31b06f.