Articles on: Crisp Inbox

Which file extensions and sizes can I upload to Crisp?

Crisp lets you upload files through Crisp Inbox, Campaigns and other Crisp products. For security reasons, all file types and sizes cannot be accepted. This article explains the security limits of our file upload feature.

Maximum file sizes

A limit is applied on the size of a file that can be upload to our systems:

Default limit: 10MB
CSV files limit: 10MB
GIF files limit: 3MB (we may downsize the image)
JPG files limit: 12MB (we may downsize the image)
WEBP files limit: 12MB (we may downsize the image)
PNG files limit: 12MB (we may downsize the image)

Allowed file extensions

Crisp allows file extensions based on a whitelist. This means that any file extension not on this whitelist will be forbidden.

Crisp Inbox

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3g2
3gp
aac
ai
asp
aspx
avi
bmp
c
cfg
cnf
conf
cpp
crt
cs
css
csv
doc
docx
eps
epub
flv
gif
go
gp3
gp4
gp5
gp6
gpg
gpx
h
har
h264
ico
ics
jade
java
jpeg
jpg
js
jsx
json
log
lua
m4a
m4v
md
mid
mkv
mobileconfig
mov
mp3
mp4
mpeg
mpg
musicxml
mxl
nfo
oga
ogg
ogv
ovpn
p12
pcap
pdf
pem
pfx
pgp
php
plist
png
pps
ppsx
ppt
pptx
psd
pub
pug
pxm
py
r
rb
rm
rtf
sass
sh
sketch
sql
srt
stl
svg
swf
swift
tif
tiff
toml
ttf
txt
vb
vue
wav
weba
webm
webp
wma
wmv
xls
xlsx
xml
yaml
yml

Why can't I upload archives? (eg. zip, rar, etc.) — Archives can be used to hide viruses or nasty files. Other platforms on the market forbid sharing archives through their platform (eg. Gmail on all outbound and inbound emails). This is to ensure people using the platform are protected from hidden viruses or phishing attempts. Files that are shared through Crisp must be sent directly and not be compressed / hidden.

Why did my file get deleted? — A virus scanner is running on certain file extensions that you upload on our systems (eg. doc, xls), as certain extensions are known to be used to infect computers when opened. After a file is uploaded or received from an email, we will instantly remove it from our systems if it contains a virus. Note that we may also expire certain heavy files after some time, though we never remove images and more lightweight files.

A file extension you'd like to upload on the Crisp Inbox is not allowed? Contact our support and tell us about it. We may allow this file extension in the future.

Crisp Helpdesk

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Crisp Campaigns

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Crisp Marketplace

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If you would like to share files of unsupported formats (in your conversations or the Helpdesk) you can also consider using a dedicated hosting services such as Dropbox or Google Drive, and share the link with your users

Updated on: 28/05/2025

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