Gmail app cache on Android

Question

A while ago, I received an email with an image in the message body. It was attached via URL source. I have read that message on my Android device and saw the image there as well. When I go to the mail now, the image no longer loads - it has been taken down, the URL doesn't work anymore. I need to gain access to that image.

I imagine the Gmail app stores data (even temporarily) somewhere on the device, so I'm looking for a way to extract that image. Here's what I've found so far.

I'm browsing my phone internal memory via my laptop. I have show hidden files option enabled.

Android/data/com.google.android.gm/files is empty.

Android/data/com.google.android.gm/cache has several files like these:

1e4d24dc66d8c27bcfe49ac8c74d285d    2107KB
2b04c4c91cdd6f9507d3b40dca0fce31    10522KB
2fb23268fce84c1fb85382eb0d5fbc7e    10410KB
...

I'm pretty sure the answer lies somewhere in these files. Anyone know a way to extract data from them?

App data can't be accessed without root https://android.stackexchange.com/q/47924/131553 — beeshyams, Sep 27 '21 at 08:20
Does this answer your question? Where Android apps store data? — beeshyams, Sep 27 '21 at 08:20
Also see this https://android.stackexchange.com/q/46926/131553 — beeshyams, Sep 27 '21 at 09:04
@beeshyams I've read through these threads and what I'm getting from them is that the data stored under /data/data isn't accessible from adb or a PC, without root. Ok, I get that. What about these files I do have access for? Is there a way to extract anything useful from them? — beam022, Sep 27 '21 at 13:02
No idea what those files are or how to open them (cookies?)// 1. Cache is also stored in /data/data and hence requires root// 2. Connecting to PC through USB (MTP) doesn't expose underlying filesystem (ext4 or f2fs) of internal storage (/data partition) to PC// IMO your question is a dupe of [1]// No root, no luck — beeshyams, Sep 27 '21 at 13:15
Sorry for my confusion here. I linked Chrome related answers above but it's applicable to Gmail too — beeshyams, Sep 27 '21 at 14:58
@beeshyams that's no problem, I get the idea. Though I would like to find out what these files on /Android/data are for and if they can be useful in any way. — beam022, Sep 27 '21 at 18:15
You could ask a separate question on that linking this as background — beeshyams, Sep 27 '21 at 18:51

Gmail app cache on Android

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