In this section you will learn details about whitelisted file types, maximum file size used within sessions or in emails, and last but not least, file storage length within mluvii is listed at the end.

List of whitelist documents

We collected the file types based on the usage pattern of our current customers and screened each one for possible security risks, which determined the whitelist below.

Office = [
  ".doc", ".docx", ".xls", ".xlsx", ".ppt", ".pptx", ".odt", ".ods", ".odp", ".txt"

Image = [
  ".png", ".gif", ".bmp", ".jpg", ".jpeg", ".jpe", ".jif", ".jfif", ".jfi"

Pdf = [

VideoUrl = [
  ".mp4url", ".videourl"

YoutubeUrl = [

Video = [

Audio = [
  ".mp3", ".m4a", ".aac", ".oga", ".flac", ".wav", ".pcm", ".aiff"

Maximum file size


Each file has a 25 MB limit.


The sum of uploaded files has a 10 MB limit, when sending e-mails. While receiving e-mails, each file has a 25 MB limit.

Standard file storage period in mluvii

Several types of files are stored within mluvii. Here you can find their standard retention time.

File type Storage period
Common tenant files (settings in ui) unlimited
My files (settings in ui) unlimited
Files uploaded to session and shared by operator 2 years
Files uploaded to session and shared by client 2 years
Session recordings (regardless of communication channel) * 1 year
Files uploaded to offline form by client 1 year
  • The amount of stored recordings (phone calls) is limited to 25,000 minutes (approximately 417 hours).

  • Retention of telephone recordings beyond the limit and retention of Audio/Video recordings will be subject to individual pricing. Average A/V recording size is approximately 2 MB/minute at low resolution and 3.25 MB/minute at high resolution.

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