With the new update, you'll be able to transfer the save and log file between the Switch version and PC.
The Switch version of The Witcher 3 was recently updated to version 3.6. With the new update, Cross-Save support has been added between the PC and Nintendo Switch. Now, you can transfer the Witcher 3 save file from PC to Nintendo Switch.
With the new update of The Witcher3, you can continue your game that you started on PC with Nintendo Switch when you go out. Now, you can play Witcher 3 simultaneously on two platforms and wherever you want. In addition to Cross Update support, the new update also added new graphics options and performance optimization to the game. All of the innovations that the 3.6 version brings to the game are as follows:
Touch control support added.
Support for Cross-Save with GOG and Steam versions for Nintendo Switch.
More subtitle languages ??have been added.
More graphics options have been added.
Multiple performance optimizations have been added.
Certain game bugs and crash issues have been resolved.
How to transfer PC save file of Witcher 3 to Switch?
To perform this process, you must turn on the “Cloud-Saves” feature via Steam or GOG. The steps for Steam are as follows:
How to turn on cloud-saves on Steam?
Find The Witcher 3 in your Steam library and right click on it.
Click “Properties” from the menu that appears.
Click the "Updates" tab on the screen
Make sure the box next to “Enable Steam Cloud sync for The Witcher 3” is checked in the Steam Cloud section.
How to turn on cloud-saves on GOG Galaxy?
Go to the "Settings" section from the menu that appears by clicking on the gear icon located on the top left of the screen by logging into GOG Galaxy.
Select the "Game features" tab at the bottom left of the screen that opens.
Make sure the box next to the “Cloud Saves” feature on the screen that appears is selected.
If you have done all the operations so far, all you have to do is download the recording files you have synchronized with the cloud to Nintendo Switch.
How to transfer Witcher 3 PC save to Nintendo Switch?
If you didn't update The Witcher 3 yet, you should get the last update.
When you enter the game, “Cloud Saves” setting should appear in the menu section.
You need to choose the platform you play the game on PC by entering the “Cloud Saves” section.
Allow access to your registration files by logging into the platform of your choice.
After the download process is completed, you can access your registration files via Switch.
It is of course also possible to reverse this process from the Switch to the PC. You can continue the game on your computer by uploading your Switch saves to the cloud in the same way with the help of the "Cross Save" section in the main menu.