Fact · Voice privacy and security
20sources
The voice recording retention and review policies dataset draws on 20 distinct sources.
Calculated from 38 data points on October 19, 2026
- How it is calculated
- Count of the distinct sources behind the dataset's 38 rows: 20.
A statistic of the dataset How Long Voice Assistants Keep Your Recordings, calculated by code from its published rows.
Calculated from
- Amazon says humans review an extremely small sample of your Alexa interactions to help Alexa understand how to interpret requests.
- Amazon says you can keep saving Alexa voice recordings and have them automatically deleted on an ongoing three-month or 18-month basis.
- Amazon says that if you choose not to save your Alexa voice recordings, they are deleted automatically after Alexa processes each request.
- Amazon says transcripts of your Alexa requests remain available for 30 days before it begins to delete them automatically.
- If you opt in to Improve Siri and Dictation, Apple may keep your Siri and Dictation request history, which includes audio data, for up to two years.
- Apple says that unless you opt in to Improve Siri and Dictation, it does not store your Siri audio data.
- For people who opt in to Improve Siri and Dictation, Apple says only its own employees, under confidentiality obligations, can access the audio.
- Apple says dictation sent to its servers is not stored unless you opt in to Improve Siri and Dictation.
- Apple links Siri and Dictation request history, including transcripts, to a random rotating identifier rather than your Apple Account, and may keep it for up to two years.
- Apple says it may review a subset of the transcripts of Siri interactions, and that the small subset it has reviewed may be kept beyond two years.
- In Voice Memos on iPhone, deleted recordings move to the Recently Deleted folder, where they are kept for 30 days by default.
- Microsoft says it stores Copilot conversation activity for 18 months by default, and that you can delete individual conversations or the whole history at any time.
- For work or school accounts, Microsoft says dictation sends your speech only to convert it to text, and the audio is not stored.
- For work or school accounts, Microsoft says Copilot Voice audio is accessed only if you submit feedback about the conversation.
- For work or school accounts, Microsoft says Copilot Voice audio is temporarily stored for feedback and deleted after 48 hours.
- For personal accounts, Microsoft says Copilot Voice conversation transcripts are handled in the same way as your other Copilot conversation history.
- Under Gboard's opt-in conventional learning, Google says it will not keep the speech snippets you donate beyond 18 months.
- Google says the default auto-delete period for Gemini Apps activity is 18 months, and that users can change it to 3 or 36 months or turn auto-delete off.
- Google says that even when Keep Activity is off, conversations are saved with your account for up to 72 hours, so Gemini can provide the service and process feedback.
- Google says chats that human reviewers read are not deleted when you delete your Gemini activity, and are retained for up to three years.
- Google says human reviewers, including trained reviewers from its service providers, review some of the data it collects from Gemini Apps.
- Google says the voice and audio activity setting is off unless you turn it on, so audio from Search, Assistant and Maps is not saved to your account by default.
- Google says that when the voice and audio activity setting is on, samples of saved audio are analyzed by trained reviewers who listen to, transcribe and annotate them, for some audio technology improvements.
- Google says that if you turn off its voice and audio activity setting, audio already saved to your account is not deleted.
- Microsoft says Teams meeting recordings and transcripts have a default expiration time of 120 days.
- Microsoft says admins can set the Teams expiration time for recordings and transcripts to a maximum of 99999 days.
- Microsoft says an admin can set the Teams expiration value to -1 so that recordings and transcripts never expire, a setting available only with PowerShell.
- Microsoft says it may keep a voice clip it has sampled for longer than two years, so it can keep training its speech recognition models.
- Microsoft says it keeps voice clips that people contribute for sampling and listening for up to two years.
- Microsoft says its employees and vendors working on its behalf can review contributed voice clips to build and improve speech recognition.
- Microsoft says voice data it collected and linked to your account before October 30, 2020 still shows on your dashboard for as long as Microsoft keeps it.
- OpenAI says that in Standard voice mode, it deletes the audio after transcription is complete.
- OpenAI says audio clips from Live and Advanced Voice conversations are stored with the transcript in your chat history, and that clips are retained for 30 days.
- Otter.ai's privacy policy, effective June 16, 2026, says it stores all personal information for as long as necessary to fulfill the purposes set out in the policy.
- Otter.ai says it automatically deletes conversations from the Trash after 30 days.
- Microsoft says online speech recognition sends voice data to Microsoft only to provide the service and create transcriptions, and that it does not store, sample or listen to recordings without your permission.
- Zoom says an administrator can enable the meeting transcript setting but set its retention duration to zero days.
- Zoom says that when the trash setting is turned on, deleted cloud recordings are kept in the trash for 30 days.